problems forum after upgrade 7.0.3

impossibility of having access to forum groups and events since the update

I have the following message

[L[Access denied]]

please help me

This may be a stretch, but try checking your membership level permissions under administration > settings > membership levels to make sure your membership level has the needed permissions.

membership level has  permissions.

still unable to access the forum for group and event
I check the rights
I recompiled

help me urgent

Maybe related to this ticket ?

http://www.boonex.com/trac/dolphin/ticket/2245

I already made this change
it will not work
Always deny access
thank you