MyBB Community Forums

Hi i just upgraded my forum from 1.6.9 - 1.6.11 installed without any errors but as i have now come to realize that the upgrade has given me some strange errors

# Can not edit any user groups it shows a blank screen in my adminCP
# My premium forum is showing no threads etc.. Only i can view them. I cant even move them to a new forum!

there will probably be other errors but not come across them yet. I have done the following:
# rebuilt my Cache using the Cache Manager
# i have used the Recount & Rebuild

Not sure what is going on has anybody else had this issue? i can attach pics if you require them thanks.

Have you checked your error log for errors?

can you run file verification tool available at tools & maintenance section ?
focus on changed / missing php files (ignore files in install directory & images)

just run File Verification and it came up clean. How would i check the error log? never actually done that before?

this all i get when trying to edit a group. There is nothing there?