Troubleshooting Authentication
If you encounter errors or issues while authenticating with WHMCS, see the sections below to start troubleshooting and resolve the issue.
For more information about authenticating, see Authentication.
Authenticating with WHMCS
You may encounter the following common issues:
| Error or Issue | Explanation | Next Steps |
|---|---|---|
| A user or admin reports frequent logouts. | This issue may be due to PHP misconfiguration, proxy or CDN misconfiguration, or issues with the visitor’s IP address. | Frequent Logouts CloudFlare® Proxy Check Errors |
| When you attempt to log in, the system redirects you back to the login page without an error. or Invalid csrf protection token | This indicates an issue with PHP sessions on your server. | Login Redirect Loops |
License Invalid | You entered an invalid license key or moved the WHMCS installation without updating the license. | Invalid License Errors |
Login Details Incorrect. Please try again. | The WHMCS System URL setting does not match the URL that the user attempted to use to log in. | Login Details Errors |
Oops! Access Denied - Forbidden | Either the admin’s administrator role is missing the required permissions or an account owner has not set a password. | Access Denied Forbidden Errors |
The reset link you have followed is invalid. Please try again. | The WHMCS System URL setting does not match the URL that the user attempted to use to access the password reset page. | Invalid Reset Link Errors |
Last modified: June 14, 2024