Im Getting This Error When I Edit A Forum....Any Help?

[legion!]

Fatal error: Field accessf_nb is not defined in $validfields in class vB_DataManager_Forum in [path]/includes/class_dm.php on line 485


im getting this error everytime i try to change a forum setting...

any help???

[kh99]

If it helps, it looks like maybe it's part of this mod: https://vborg.vbsupport.ru/showthread.php?t=201285&highlight=accessf_nb

[legion!]

hrmmm lemme uninstall that hack and see whats good