[Surf_rider]

Not work. Same error. All addons deleted, all third-party styles deleted.

500a1 Step #141

Fatal Error Occurred
Error Could not find phrase 'incorrect_content_class_called'. Arguments given were: "vB_Library_Content_Channel", "2", "' on C:\xampp\htdocs\core\vb\library\content.php : 2295

Script: 500a1

--------------- Added [DATE]1485842004[/DATE] at [TIME]1485842004[/TIME] ---------------

In /admincp -> vbulletin CMS -> Permissions i found this:

Cannot proceed as no CMS root node could be found.

This is a fatal error that should never occur unless your node table is broken or corrupted. You may need to reinstall the CMS.

May be it helps to answer..

--------------- Added [DATE]1485843725[/DATE] at [TIME]1485843725[/TIME] ---------------

I tried to delete all third-party things(languages,styles, products and so on) then i download new package of 4.2.3 from member area and overwrite all files. Then i run /install/upgrade.php and it complete succesffuly. I hope it solve my problem. After that i try to update to 5.2.5 but receive same error/

--------------- Added [DATE]1485850655[/DATE] at [TIME]1485850655[/TIME] ---------------

Is It possible to do a clean vb5.2.5 install and somehow import all data from 4.2.3 ?