This article provides you with information on how to check errors on your website
Step 1. Log into Plesk
Step 2. Click on Failed Request Tracing
Step 3. Click on Start Tracing
Step 4. Input the status code(s) then select which faults you would like to monitor, Once completed click on Ok.
Step 5. Browse to your website and test functionality.
Click on any button or functionality that you would like test
Step 6. Click here if you wish to Stop Tracing