Server Communication Errors
Problem
You see the following error while using WHMCS:
An error occurred while communicating with the server. Please try again
Cause
This error appears when a problem is preventing communication with the WHMCS server. This may be due to several different causes.
Troubleshooting
To determine the cause of this error, try the following troubleshooting steps:
Check for a System URL Mismatch
To check for a system URL mismatch, compare the following URLs:
- The URL that you are using to access WHMCS in your browser.
- The WHMCS System URL setting in the General tab at Configuration () > System Setup > General Settings.
If these values do not match, see System URL Mismatch below.
Check for a PHP Error
To check for a PHP error:
- Enable Log Errors in the Other tab at Configuration () > System Setup > General Settings.
- Reproduce the error in WHMCS.
- Go to Configuration () > System Logs.
- Examine the log entries for errors.
Use Browser Tools
Use your browser’s network tools to identify the problem.
For example, in Chrome™:
- Go to the page on which you saw the error in WHMCS.
- Right-click on the page and choose Inspect.
- Choose the Network tab.
- Reproduce the error.
- Click the entry that appears in the Name column at the same time as the error occurs.
- Choose the Response tab.
- Use the code that appears in the tab to identify and resolve the error.
Solution
System URL Mismatch
To resolve this issue, make certain that you are accessing WHMCS with the exact URL in the WHMCS System URL setting in the General tab at Configuration () > System Setup > General Settings.
PHP Errors
Use the PHP error to identify and resolve the problem.
Last modified: October 9, 2024