You should check your php error log. You will probably find a corresponding error there.
There are similar problems reported on the forum, but the error message will probably solve the problem. [OJS 3] Plugins Tab doesn't load
You should check your php error log. You will probably find a corresponding error there.
There are similar problems reported on the forum, but the error message will probably solve the problem. [OJS 3] Plugins Tab doesn't load