Ldapscripts

I'm integrating ldapscript to a dnsmasq envirronement. But i keep getting an error when i want to add a group to ldap:

pavel@bilal:~$ sudo ldapaddgroup admin
Error adding group admin to LDAP

pavel@bilal:~$ sudo tail -f /var/log/ldapscripts.log
May 20 15:10:35 bilal ldapscripts: ldapaddgroup(pavel): /usr/sbin/ldapaddgroup admin
ldap_bind: Invalid credentials (49)
ldap_bind: Invalid credentials (49)
ldap_bind: Invalid credentials (49)
  -> Error adding group admin to LDAP
May 20 15:12:06 bilal ldapscripts: ldapaddgroup(pavel): /usr/sbin/ldapaddgroup admin
ldap_bind: Invalid credentials (49)
ldap_bind: Invalid credentials (49)
ldap_bind: Invalid credentials (49)
  -> Error adding group admin to LDAP

why is this keep happening on every installation