Import from Active Directory stopped working

Import from Active Directory stopped working

When trying to import users from Active Directory it stopped showing our AD OU tree and was just showing the Users OU.  To try and fix that problem I ran the following commands on the database:

delete from adousrelationinfo;
delete from adorganizationalunits;

I am now getting the attached error when trying to import users
                New to ADManager Plus?

                  New to ADSelfService Plus?