Plesk Error When Logging into Domain Admin Control Panel

This help is for users trying to log into their domain at and are unable to do so, instead getting an error that begins with the following:

ERROR: PleskMainDBException
MySQL query failed: Unknown table 'sd' in where clause.

In order to fix this, after attempting to log in, take a look at the address of the error page. You will see something similar to the following:

Leave the first half of the link in there, even if it varies slightly from the above, and delete everything after the :8443/. So, in this example, you would be left with:

Then, after the :8443/, add:


So, in this example, you would now have:

Hit Enter or Return to load this page. It may load without frames. To fix this, hit the “Back” button on your Web browser to load the previous page. The issue will be resolved.