Save button not working after upgrading to OJS

After upgrading OJS to OJS and when modifying the theme or any setting of the journal, after clicking “Save” button, the button not working and just appear the following message:

The requested URL is not recognized.

I wish anybody tell me the reason.

Did you found how to solve this problem? I have this same issue

Hi all,

Check your PHP error log for details.

Alec Smecher
Public Knowledge Project Team