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Building an eCommerce website with WordPress has never been easier, thanks to the vast...
Placing MarketConnect order uses the same method as any other order within WHMCS. After the...
You can use MarketConnect to resell products and services to your customers via your WHMCS...
Activation To activate Two-Factor Authentication for a WHMCS installation, follow the...
If you want your customers to be able to check the availability of new domains, you will need...
For the best results, each member of your staff that will use WHMCS should have their own...
Predefined replies let your staff quickly answer tickets about common issues. This can save...
Symptom When you troubleshoot issues in which the system is not importing email from...
Symptom After updating to WHMCS v8.6.0, users of the ResellerClub registrar module may...
Symptom When configuring Microsoft® as your mail provider or for email importing, a URL...
Use the steps below to resolve some of the Needing Attention warnings in Configuration >...
Symptoms After applying an update, one or more features of the WHMCS software may...
Symptoms After applying an update, one or more features of the WHMCS software may cease...
Symptoms After applying an update, one or more features of the WHMCS software may cease...
You can easily change the number of results that display in lists within the Admin Area....
The navigation bar links shown to visitors and clients are controlled by small snippets of code....
Sales tax rates generally change over time. WHMCS allows you to manage these VAT changes...
Symptom Administrators may receive an email from the WHMCS system with two To email...
Symptom You may find that the cron job is not completing intermittently but does...
If you have determined that the cron job is not completing in the previous article and are...
If an email has not been piped into the ticket system and it is not listed in the Ticket...
WHMCS includes two methods to review the status and activity of your WHMCS installation's...
You can send a custom email message whenever you create, terminate, or upgrade a service. To...
For an admin to view and reply to support tickets in a specific department, you must...
You may need to remove client data from your systems after they have terminated all...
WHMCS allows you to bill clients according to the resources they consume (for example...
WHMCS allows you to vary the amount shared hosting resellers are billed based on the number...
Automated bots and the spam that they create are just part of doing business online. In...
WHMCS's multi-currency system lets clients to choose from one or more currencies. Clients can...
The system uses order form templates when it displays the product selection, product...
When customers visit their shopping cart (cart.php), the products in the default product...
All of the mail that your WHMCS installation sends will display your configured email...
The appearance of the public and client areas are controlled by system themes. To change...
Customizing the name of your WHMCS admin directory makes it harder for bots and other...
Before you can install or update WHMCS, you must ensure that your setup meets the system...
WHMCS automatically checks for new updates daily. When an update becomes available, a...
You can verify whether your system cron is running successfully from within the WHMCS...
Promotions for MarketConnect services are integrated directly into the every day user...
The first time that you log in to the Admin Area, the Getting Started Wizard (or Setup...
You can use Amazon S3™ as your storage provider in WHMCS. Before you can set this up...
If you want to use Amazon S3™ as the storage provider for your WHMCS installation, you...
Application Links allows customers to seamlessly transition from cPanel to WHMCS using...
You can customize the domain options that display to customers during the ordering process....
If you want to sell domain registrations with WHMCS, you will need to configure the domain...
Domain redemption fees add an automated charge to renew expired domains during the domain...
Email piping allows customers to send email to your support department email addresses. The...
WHMCS can send emails without any additional configuration using PHP mail(). While this...
You can configure when and how WHMCS invoices your customers. Configure Invoice...
WHMCS can send emails without any additional configuration usingPHP mail(). While this...
WHMCS can automatically charge your customers' payment methods. This removes the need to run...
WHMCS can send payment reminders to your customers in advance of their payment dates. This...
For some order form templates, you can configure product group features display details...
WHMCS can send emails without any additional configuration using PHP mail(). However,...
WHMCS includes a fully-featured support system. To use this system, you will need to...
You will need to configure the cron job as soon as you finish installing WHMCS. The cron...
WHMCS comes with the ability to send emails without any additional configuration using...
To sell domains with WHMCS, you will need to set up at a domain registrar. WHMCS supports...
Before you can sell and provision hosting accounts, you must add at least one server to...
Setting up a payment gateway is a crucial step in configuring your WHMCS installation. If...
To allow your customers to search for and find the domains they want to buy, you must...
Each invoice includes a numerical identifier (the invoice number). You can choose to use the...
You can install WHMCS using cPanel's Site Software feature. Before you can perform the...
Domain registration is an easy product offering to increase your revenue. WHMCS automates...
When you update WHMCS, the temporary path allows the system to stage files. You...
You can easily set a message that will display to other admins and users whenever an update...
The Update Channel that you select provides control over which update notifications you...
To allow your customers to search for and find the domains they want to buy, you must...
Domain registration is an easy product offering to increase your revenue. WHMCS automates...
Verify that the System Cron is being called To ensure that the daily automation tasks...
You can easily set up a knowledgebase to help your customers find answers to common...
To sell something using WHMCS, you need to configure a product. Server/VPS products...
To sell something using WHMCS, you need to configure a product. The steps below create a...
Before you can sell and provision hosting accounts, you must add at least one server to...
The first step to creating products is setting up a product group. Product groups are...
This process is only necessary in some releases of WHMCS 8.1 and earlier. The UK...
Symptom After updating to WHMCS 8.7.2, admins may encounter a problem with the display...
WHMCS can display dates in several different formats, and you can configure display for...
Domain categories group domain TLDs into categories on the domain registration page...
WHMCS can create search engine-friendly URLs for some public-facing pages. Note:...
A system theme in WHMCS controls the client facing user interface. WHMCS allows you to provide a...
WordPress is one of the most popular content management systems (CMS) in the world, largely...
You can easily change the logo image that displays in emails, on generated invoices, and...
You can easily change the logo image that displays in emails, on generated invoices, and...
The WHMCS cron job performs many of the automated tasks for your WHMCS installation. You...
If you do not have access to your Two Factor Authentication token (eg. lost phone or new...
Before you can deposit funds to MarketConnect, make certain that you have already completed...
You must disable MySQL® Strict Mode in order to run WHMCS on your server. We recommend...
The Client Area displays a Quick Shortcuts section in the product details for services that...
WHMCS sends notification emails to admins for relevant system events, self-diagnosis of...
You can disable an admin, preventing them from logging in to the Admin Area. This will...
This guide assumes you have already completed MarketConnect activation for at least one...
MarketConnect orders appear in the Orders list in the Admin Area. All MarketConnect...
You can install WHMCS easily using cPanel's Site Software feature. To do this: 1. If...
In previous WHMCS versions, Smarty 3's SmartyBC provided backwards compatibility for...
You can enable and disable clients' ability to place domain renewal orders from within...
WHMCS includes multiple Client Area and store translations through files in the lang...
WHMCS often contains private and sensitive data that passes between WHMCS and end users'...
To use WHMCS with an encrypted MySQL® connection, you will need to perform additional steps...
Two-Factor Authentication adds a layer of security by adding a second step to the login...
By default, WHMCS allows users to add and update credit and debit card details (their...
In some circumstances, you may need to force a user to reset their password before they...
Once a Two-Factor Authentication service has been activated for clients, the following...
Once a two factor authentication service has been activated for staff, the following...
For increased protection, if your staff uses fixed IP addresses, you can restrict access to a...
Your WHMCS installation will store sensitive information for your customers and for your...
To sell something using WHMCS, you must configure a product. Reseller Hosting products...
Creating a testing and development environment will let you verify all of your customizations...
You can specify the default signature applied to all outgoing Email Templates sent from...
WHMCS lets you sell a single product in multiple currencies. You can set the product price in...
A client may request a copy of the data you keep about them. WHMCS facilitates this via a...
Symptom After updating to WHMCS 8.6.0, users may encounter a Call to undefined method...
Symptom When generating a PDF invoice or quote (for example, during the daily automation...
Symptom A TypeError referencing the guessFileExtension function appears in your PHP...
Symptom After updating to WHMCS 8.6.1, you may experience an Undefined Constant error when...
When an automated module action fails, it is added to the Module Queue. Events that can...
Symptom After applying the 8.3.0 update, the Credit Card Number, Expiry Date, and CVV...
Symptoms After applying an update, one or more features of the WHMCS software may...
Symptom After navigating to Utilities > Update WHMCS and clicking Check for Updates,...
We recommend adjusting the permissions for the configuration.php file in your WHMCS root...
There may be times where a client asks for you to invoice them for the next renewal date...
By default, WHMCS groups service renewal invoices that are due on the same day into a...
After you complete installation, we recommend completing your configuration by setting up the...
You attempted to perform an automatic update but it failed and showed an error message...
Many server configurations utilize a separate php.ini file in the command line or cron...
Many server configurations utilize a separate php.ini file in the command line or cron...
To sell something using WHMCS, you need to configure a product. Shared Hosting products...
The General Data Protection Regulation (GDPR) is Europe's big new data privacy law. It comes...
WHMCS allows you to link directly to the shopping cart, to specific product groups, or to...
In v7.x and earlier, a Reset & Send Password option was located in the Clients...
The WHMCS Admin Area lets you configure WHMCS, manage orders, work with clients and their...
If you have lost both your two factor token (ie. phone) and the backup code, this article...
With WHMCS all orders are pending until accepted. Orders can reviewed by navigating to Orders...
After a two factor authentication service has been activated, clients or admins can be...
You may want or need to offer clients the ability to opt in and out of the marketing...
We recommend using the Automatic Updater utility to apply updates, but you can also apply...
When a new version of WHMCS is available, in-product notices will appear. We recommend using...
This guide shows how to manually add a client account to WHMCS. For example, you may do...
Enabled MarketConnect services will be made available to customers during the ordering...
Symptom After updating to WHMCS 8.7, admins may see a Legacy Smarty Tags warning in...
After moving hosting accounts from a cPanel & WHM® server to a new one, you may be...
Introduction Google® will discontinue their Universal Analytics service on July 1, 2023....
Symptom After updating to WHMCS 8.6.1, you may be unable to select PHP Mail for Mail...
Before you perform the steps below, complete the steps in Configuring an Amazon S3 Storage...
The navigation bar links shown to visitors and clients are controlled by small snippets of code....
The Mail in Payment or Bank Transfer payment gateway modules display payment instructions...
The invoices that WHMCS generates include an address to which your customers can remit...
Opayo (formerly Sage Pay) has announced changes to their SCA and 3DSv2 API...
Visitors to your website can purchase Weebly's website builder as a standalone product...
Validation.com has announced that they are discontinuing service on April 9, 2023. After...
In WHMCS 8.3 and later, you can easily offer automated WordPress hosting for your clients. They...
The PayPal Checkout payment gateway module requires an HTTPS-secured connection to create the...
The email templates allow you to customise the messages that go out to your customers when...
An Oops! message displays in WHMCS 7.2 and above when a catchable error occurs:...
The General Data Protection Regulation (GDPR for short) is Europe's big new data privacy...
To avoid problems when updating WHMCS, you will need to take some preparatory steps to ensure...
You can translate product names and descriptions into multiple languages using the...
You can easily configure WHMCS to send you a BCC copy of all of the email your WHMCS...
For the admin homepage to load as quickly as possible, the contents of the admin...
We recommend moving the crons directory to a private directory above your web root. This will...
In previous WHMCS versions, Smarty 3's SmartyBC provided backwards compatibility for...
You may want to require a client to indicate that they have read and agree to your terms and...
Introduction An Apply update dry-run detected x permission issues error, where x is...
Symptom WHMCS fails to import emails using a Microsoft email service (for example,...
Introduction This guide demonstrates how to resolve a Base table or view not found...
Symptom When configuring Microsoft® as your mail provider or for email importing, a...
After performing an update, a Down for Maintenance (Err 2) or (Err3) error may occur when...
Symptom Clients attempting to create new mandates via the GoCardless payment gateway...
Symptom Performing an action that creates an invoice (including the daily automation cron...
Symptom After updating to WHMCS 8.7.1, admins may encounter an Invalid CSRF Protection...
Symptom Admins receive an email from your server's cron daemon every five minutes with the...
Symptom You may receive a POP3 connection error email stating that One or more POP3...
This article explains how to troubleshoot the cPanel Product attribute Package Name XXX not...
Symptom You may receive a POP3 connection error email stating that One or more POP3...
Symptom After updating to WHMCS 8.6.1, you may see a TypeError error when you access the...
Symptom After updating to WHMCS 8.6.1, you may see a TypeError error when sending Email...
Symptom Clicking Order Now on the shopping cart product selection page (cart.php) or...
If Update Now is disabled in the Automatic Updater utility at Utilities > Update WHMCS, an...
A warning email is sent to full administrators if the POP3 Import Method feature to...
Symptom You may see the following error message: Website SSL A Certificate...
Symptom The primary navigation bar and sidebar menu items do not display correctly....
An error stating An error occurred while communicating with the server. Please try again...
Symptom During the daily automation cron run, the script takes a long time to...
Symptom You receive the following WHMCS Daily System Cron Attention Needed email:...
Symptom After switching to PHP 8.1, you may see a Class not found error when accessing the...
Symptom After applying the 8.3.0 update, you may see high memory usage or a...
Symptom Support ticket messages that you imported using email importing or email piping...
Symptom When provisioning a new cPanel hosting account, the process fails with a...
Symptom When applying an update to WHMCS, a Command denied to user error displays. For...
Introduction When applying an update to the WHMCS software an error stating Base...
Introduction An Apply update dry-run detected x permission issues error, where x is the...
Symptom When viewing a domain registration in the Admin Area or Client Area, you may...
After performing an update, a Down for Maintenance (Err 2) or (Err3) error may occur when...
After performing an update, a Down for Maintenance (Err 2) or (Err 3) error may occur when...
To automate tasks, WHMCS requires the regular and frequent invocation of a file via cron....
WHMCS performs a number of tasks once per day, such as processing payments, generating...
Symptom After applying the 8.2.0 update, you may occasionally observe a TypeError error...
Symptom After switching to PHP 8.1, you may see an ionCube Loader® error when accessing...
Symptom When you update to WHMCS 8.3, you may see the following Integrity constraint...
After performing an update, a Down for Maintenance (Err 2) or (Err3) error may occur when...
Symptom After applying the 8.3.0 update, you may observe the following GuardedForUpdate...
Introduction This guide demonstrates how to restore the Default Email Templates...
In some jurisdictions, you may need to fix the client's name, address, and tax ID to the...
Version 7.5 introduced logging each time a client opts in or out from marketing emails....
We recommend moving all writeable directories to a private location in order to prevent...
You can customize your products to allow customers to enter values during the order process,...
You can use MarketConnect to resell products and services to your customers via your WHMCS...
Whilst WHMCS can provide self-service cancellations for clients, staff members can also...
You can configure a default country and language for your WHMCS installation. Set...
You can specify the default nameservers that the system uses when clients place an order...
Cross-selling allows you to display product recommendations to your customers while they...
WHMCS can import email through several different service providers, including POP3 or...
In WHMCS, navigate to Setup > Support > Support Departments Note down...
WHMCS can send emails without any additional configuration using PHP mail(). While this works...
WHMCS 8.8 introduced on-demand renewals for existing services, allowing clients to renew...
WHMCS can import email through several different service providers, including POP3 or...
WHMCS comes with the ability to send email without any additional configuration using the...
In WHMCS 8.3 and later, you can easily offer automated WordPress hosting for your...
Before you can sell and provision hosting accounts, you must add at least one server to...
To sell something using WHMCS, you need to configure a product. Other (non-hosting)...
Before you can sell and provision hosting accounts, you must add at least one server to...
To sell something using WHMCS, you must set up and configure a product: Shared...
Before you can sell and provision hosting accounts, you must add at least one server to...
Admin users can add a custom avatar above their names in the Staff Online widget in the...
Symptom MarketConnect service promotions do not automatically display during the order...
To start using WHMCS, you will need to install it on your server. You may need help from your...
All MarketConnect services come with ready made landing pages to help you promote them....
WHMCS can automatically retrieve currency exchange rates and update product prices on a...
Stripe customers in certain locations may receive an email from Stripe with the following...
Introduction Emails piped into the support ticket system can sometimes be cluttered by...
WHMCS's multi-currency system lets clients choose from one or more currencies. On a new WHMCS...
In version 7.5 and above, members of staff can be mentioned when writing an internal note on...
When a visitor clicks on an affiliate's link, the system redirect them to the URL that you...
Steps for customising the text displayed in WHMCS are as follows: 1. Open the...
This guide assumes you have already completed MarketConnect activation for at least one...
When developing a new template it is often desirable to preview it yourself whilst other...
WHMCS supports over 25 different languages with the ability to add more to your...
An error stating A fatal error occurred while fetching the update may occur in the Automatic...
Sometimes a third party system or module will provide a response that WHMCS is unable to...
Introduction An Apply update dry-run detected x permission issues error, where x is...
Symptom An Apply update dry-run detected x permission issues error, where x is the...
Introduction An Apply update dry-run detected x permission issues error, where x is the...
Symptom When performing MySQL®-intensive actions, you may see the following errors:...
Symptom After performing a WHMCS software update, emails that the system imported to...
Symptom Admins may see a POP3 Connection Error report email stating that one or more...
Symptom Admins may see a POP3 Connection Error report email stating that one or more POP3...
Admins may encounter the following error when configuring support department mail...
You may encounter a Check for Updates Failed error in Configuration > System...
Symptom After updating to WHMCS 8.5.1, users attempting to configure the TransIP registrar...
Symptom After updating to WHMCS 8.5.1, admins attempting to create or edit products may...
Symptom After updating to WHMCS 8.4.0, you may observe the following setLabel error:...
After performing an update, a Down for Maintenance (Err 2) or (Err3) error may occur when...
Symptom You may encounter the following error after copying a MySQL database...
Symptom After updating to WHMCS 8.4.0, you may observe one of the following Exception...
You may encounter a Network Issue - Failed Communication with Update Server error when...
Symptom When accessing parts of WHMCS, you may see the following Oops error:...
Symptom When provisioning WordPress® hosting with the cPanel server module, you may...
Symptom After you update WHMCS, you may encounter the following message in an email or...
Symptom The Automatic Updater utility may fail on certain server configurations and...
Symptom Admins receive a POP3 Connection Error email with a Error: SQLSTATE[HY000]:...
Symptoms An Oops error page may occur when sending an email via WHMCS or accessing the...
Symptom When accessing the WHMCS Admin Area, the following message displays at the top of...
Symptom You have enabled the Log Errors setting and see a InvalidArgumentException error...
Admins may encounter the following error when configuring support department mail...
Symptom When performing an action which involves invoices or transactions (such as placing...
Symptom When attempting to register or transfer a domain name, you may encounter a No...
The error message Order not found.. Exiting... may be encountered when placing a new...
Encountering an error similar to that shown below indicates a core WHMCS file is missing:...
Symptom A Remote Transaction Failure. Please Contact Support. error may display to clients...
Symptom When sending emails using an external SMTP mail provider (including Gmail™), a...
Symptom After updating to WHMCS 8.4.0, you may observe the following error when...
Symptom When installing, upgrading or using WHMCS, you encounter the following error,...
Symptom When accessing certain pages in WHMCS, you may encounter the following error,...
Symptom When viewing the Manage Existing Gateways tab at Configuration > System...
Symptom After updating to WHMCS 8.6.1, you may experience a TypeError error when the...
Symptom You may encounter the following error after updating through WHMCS v8.0:...
Symptom After updating to WHMCS 8.4.0, installations using the Stripe Payment Gateway...
Symptom When accessing support tickets or areas of WHMCS with file attachments, you...
Symptom An Update Message Validation Issue notice may display at Utilities > Update...
Symptom After updating to WHMCS v8.6.0, users of the Google Mail Provider using the...
Symptom When using the WHMCS API, you may the following error:...
Symptom When clicking Login to Control Panel for a Plesk service, you may encounter...
Symptom You may see a cURL error 28: Operation timed out error when you use the Automatic...
Symptom cURL Error code 35 Unknown SSL protocol, Unsupported SSL protocol, sslv3 alert...
Symptom Opening a CSV export report using Microsoft® Excel can cause accented characters...
Symptom WHMCS displays one of the error messages below when it detects a conflict...
If you have configured support departments, admins, and admin roles but admins are not...
A number of errors may appear when clicking the Test Connection button on the Setup >...
Via The Admin Area Navigate to Configuration > System Settings > General...
Via The Admin Area To troubleshoot a blank page or Oops error message, navigate to...
Via The Admin Area To troubleshoot a blank page or Oops error message, navigate to...
Symptom You may see the following error when attempting to perform actions on remote...
Symptom You may encounter the following error when attempting to perform actions like...
Symptom Chrome™ browsers may crash when your customer makes a payment using 2Checkout....
Symptom After updating to WHMCS 8.5.0, client accounts with four or more services may see...
Sometimes client details may not be displayed on an invoice the way you're expecting....
Symptoms When viewing the activity logs kept by WHMCS, the final column indicates the IP...
Symptom After applying the 3rd November 2020 MariaDB updates we have received reports...
Symptom During the daily automation cron run, the script requires a long amount of...
Symptom You have configured cross-selling for a product, but the cross-sells...
Domain results can sometimes be reported inaccurately. For example a domain showing available...
You may encounter a problem in which the system does not generate an invoice for a domain...
WHMCS can automatically register/transfer domains, you can specify whether this happens...
You may experience problems when renewing domains. Consider the sections below to begin...
If an email has not been piped into the ticket system, the first reference point is...
This article is for WHMCS 7.x. If emails are not being sent by your WHMCS installation...
The steps below will troubleshoot issues in WHMCS 8.0 and higher. For help troubleshooting...
Symptoms The system automation tasks are generating two invoices for each client: one...
Symptom When visiting specific pages in a WHMCS installation, the page content appears to...
Symptom You may receive an email from Facebook® with the subject New Developer Alert for...
Symptom When attempting to send an email using the SendEmail API command, you receive...
If you're expecting to order a free domain alongside a product, but upon reaching the...
Symptoms Admins or users may report that the system frequently logged them out of...
Symptom HostGator customers may experience an Invalid License message displayed when...
A connection error on the admin login page occurs when your server has been unable to...
Introduction If, when entering login details, the system redirects you to the login page...
With WHMCS MarketConnect, SSL certificates can be configured, approved and installed...
Symptom After navigating to Utilities > Update WHMCS and clicking Check for Updates,...
Symptom After updating to 8.4, 8.5. or 8.6, you may experience an ModelNotFoundException...
Module Command Error Module Command Errors are errors returned from the module and not...
If you are experiencing a problem with the WHMCS order form, read on Order form not...
Symptom Whilst operating WHMCS version 8.0 or 8.1 and using the PayPal module, an...
Should you have received a payment but do not see it recorded in WHMCS, check the...
Symptom After applying the 8.2.1 update, the metadata (CPU usage, CPU Load, and number of...
Symptom After applying the 8.2.0 update, certain environments may experience impeded...
Symptom After applying the WHMCS 7.6 update, upon first logging to the administration...
Symptom Clicking Order Now on the shopping cart product selection page (cart.php) or...
Symptom WHMCS can automatically provision services either before or after payment or...
This article explains how to resolve the problem where PDF versions of invoices or quotes...
You may encounter a problem in which the system does not generate an invoice for a service...
Server Status Monitoring may not display the uptime or CPU load statistics for a monitored...
Symptom When downloading a PDF copy of a client's invoice after customizing the...
Symptom You may see the following error when attempting to activate Twitter sign-in...
Symptom After applying the 8.2.0 update, you may observe a TypeError error message when...
Symptom The system is unexpectedly terminating services (for example, hosting accounts)....
Introduction A cURL Error code 35 Unknown SSL protocol or Unsupported SSL protocol...
Symptom When a user attempts to download an copy of the PDF invoice via the client area,...
Symptom After navigating to Utilities > Update WHMCS and clicking Check for...
PHP Warning messages should not be displayed under normal usage. Seeing them indicates that a...
This page explains how to resolve some of the common warnings in Configuration >...
Symptom You may experience an issue with unsent welcome emails. Cause...
Symptom After applying the 8.2.0 update, you may observe that some products cannot be...
Symptom While updating, you may see a Down for Maintenance (Err 2) error when you...
If products are enabled in MarketConnect, but the landing pages (eg. Website Builder, SSL...
Symptoms When navigating to various sections of the Admin Area and Client Area, you...
Symptom If none of the Admin Dashboard widgets are loading after you update WHMCS,...
Via The Admin Area To troubleshoot a blank page or Oops error message, navigate to...
Via The Admin Area To troubleshoot a blank page or Oops error message, navigate to...
Symptom After updating to WHMCS 8.4.0, installations using the SagePay payment gateway...
Introduction A redirect loop occurs when a website tells your browser to redirect to a...
Access Denied - Forbidden An Access Denied - Forbidden error indicates that...
If you see an error that resembles Allowed memory size of xxxxx bytes exhausted (tried to...
Symptom After upgrading your server environment to PHP 7.4, you see the following error at...
During the development process, you may need to verify whether your API code is working...
Hooks are a way to customise and allow you to execute your own code when specific events...
After performing an update, a Down for Maintenance (Err 2) or (Err3) error may occur when...
To help protect the WHMCS software code, we obfuscate it using a system called ionCube®....
Symptom After switching to PHP 8.1, you may see an ionCube Loader® error when accessing...
Symptom Anywhere protected by a reCAPTCHA displays the error shown below, preventing...
Symptom After navigating to Utilities > Update WHMCS and clicking Check for Updates,...
Symptom After navigating to Utilities > Update WHMCS and clicking Check for Updates,...
Symptom On WHMCS 8.7.2 or later, one of the following errors appears in the Activity Log...
Introduction A service's Next Due Date may move to a date several months or years in the...
In WHMCS 8.2 and later, you can easily offer WP Toolkit. WP Toolkit makes working with...
WHMCS displays the address that you enter in Pay To Text on the invoices WHMCS generates....
The Automatic Update utility allows you to update WHMCS from directly within the Admin...
To ensure that your WHMCS installation can function, your system URL setting must be...
In order to comply with each version's requirements, you must sometimes upgrade the PHP...
In WHMCS 8.0 and later, users can own client accounts. This allows one user to manage...
You must meet certain prerequisites and prepare your system before you can start using PHP...
Sometimes, you may not want clients to access the order form or Client Area. To prevent...
Symptom After navigating to Utilities > Update WHMCS and clicking Check for...
In WHMCS 8.3 and later, you can easily offer automated WordPress® hosting for...
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