The WHMCS application will suppress all non-critical warnings and notices and attempt to complete all requested actions in its default configuration. If an error condition is critical and the continued execution of a requested action is either detrimental or not possible, the system will display a friendly, styled error page and log the event.

If you want to customize this behavior, WHMCS provides several methods to define your error options in a way that best addresses your production and debugging needs.

Error Templates #

The Twenty-One and Six system themes use system theme error templates in the following locations:

• errors/internal-error.tpl
• errors/page-not-found.tpl
• errors/unknown-routepath.tpl

Custom Themes #

If you create a custom theme, you can customize these pages by creating these files in your theme’s directory (for example, /templates/example/error/internal-error.tpl, where example is the directory for your custom theme).

You cannot alter the dynamic content of this file. However, your customized file can alter the placement, provide its own hardcoded alternative, or exclude this dynamic content. To help reduce any further possible error paths, Smarty doesn’t process this file.

Error Template Variables #

These files can use the following variables:

Last modified: June 14, 2024