Active Directory search resulted in error: Operations error

[AbdulCebbar]

What may wrong with this? Does it mean pFsense able to bind AD server and AD suffixes are wrong? Can pFsense authentication query OU's in Ou's?

Feb 8 11:59:30 php: /diag_authentication.php: ERROR! Either LDAP search failed, or multiple users were found.
Feb 8 11:59:30 php: /diag_authentication.php: Search resulted in error: Operations error
Feb 8 11:59:30 php: /diag_authentication.php: Now Searching in server AD, container "CN=BLABLA,DC=VLAVLA,DC=corp" with filter (samaccountname=abdul.cebbar).
Feb 8 11:59:30 php: /diag_authentication.php: Now Searching for abdul.cebbar in directory.

[AbdulCebbar]

omg i've finally fixed it after trying thousands of different combinations. I really hate this cn, dn, ou, stuff.

Here is my final working configuration;