authldap and apache

hello, i have a question i have The suse Email server II with apache 1.3.12-128 and openldap1.2.12-3 and the module authldap 1.4.3-15 authldap works fine with the parameter: require valid-user but with the parameter: require group cn=beispiel it does not work in the error log of apache i seee the error: user bind as uid=aa, dc=domain, dc=it failed: LDAP error:invalid credentials: URI /directory/ it seems that the password ist incorrect but it isnt can someone help me alois