[otrs] Active Directory Integration - Please Help

I'm having problems with Active Directory integration of the customers - i get the following error [Fri May 7 09:35:52 2010][Notice][Kernel::System::CustomerAuth::LDAP::Auth] CustomerUser: ion (CN=ion,CN=Users,DC=test,DC=local) authentication ok (REMOTE_ADDR: 192.168.0.1). [Fri May 7 09:35:52 2010][Error][Kernel::System::CustomerUser::LDAP::CustomerUserDataGet][580] 000020D6: SvcErr: DSID-03100754, problem 5012 (DIR_ERROR), data 0 Please Help Me !