General errors can occur in many places throughout WHMCS, and can be due to many different problems. However, fixing them is often simple.
Troubleshoot and resolve 404 Page Not Found errors.
Troubleshoot and resolve You are attempting to access the admin area via a directory that is not configured. errors.
Troubleshoot and resolve a blank Admin Dashboard after an update.
Troubleshoot and resolve blank or partially-rendered pages after an update.
Troubleshoot and resolve incorrect display of accented (Unicode) characters.
Troubleshoot and resolve The file is corrupted. errors.