admin control panel

hello guys, why when I try to access the administrator panel do I get this picture? and when I enter the password does it not give access to the panel? What can I do? I tried restoring the backup but it's the same thing. What can it be?

At first I made a huge mistake and had let someone create me an XF forum for as much money as a new license would cost me. Huge mistake..Now i only work alone and with help of forums on my page. The Name of the creator is still listet on the ground where the version from XF stays. Does anyone...

.features: Button to add a phrase when editing a template modification and editing a template Button to add a CSS template when editing a template Color picker in template editor Quickly create extensions for classes Create extensible class hint for PHPStorm Automatic parsing of used classes...

When you have many add-ons installed and uninstalled, you end up with a long list of "Installable Add-ons" that takes most of the add-ons admin page. This little modification will move the installable add-ons to their own page and leave only the installed add-ons in the list.