Thread:Project:Support desk/Editor disappeared after upgrading wiki to latest version

So I just updated my wiki to 1.23.6 version (previously 1.22.1).

I kept everything the same, same local settings and everything, uploaded the new package through FTP and ovewrote everything existent, ran the mw-config, then tested the wiki and the editor simply disappeared, there isnt even a minimalistic editor, its just the editing page with no editor at all.

The only error appearing in my error log is this one, which Im not sure has anything to do with this issue
 * PHP Fatal error: Class 'ResourceLoaderLanguageNamesModule' not found in /home/comptf/public_html/includes/resourceloader/ResourceLoader.php on line 437

I have all these lines on my localsettings

require_once( "$IP/extensions/WikiEditor/WikiEditor.php" );

$wgDefaultUserOptions['usebetatoolbar'] = 1;

$wgDefaultUserOptions['usebetatoolbar-cgd'] = 1;

$wgDefaultUserOptions['wikieditor-preview'] = 1;

$wgDefaultUserOptions['wikieditor-publish'] = 1;

Server info:
 * PHP Version 	5.4.33
 * MySQL Version 	5.6.21

My wiki is the following: comp.tf