What is causing the "username_link not found" error in the LDAP integration module? After integration and configuration of the LDAP integration module, my site is unable to access the LDAP Server. During testing it throws below error:


  Notice: Undefined variable: username_link in theme_ldap_authorization_test_results() (line 91 of /var/www/drupal/sites/all/modules/ldap/ldap_authorization/ldap_authorization.theme.inc).


I am using Drupal - v7.44, and LDAP v 7.x-2.0-beta8 and the same LDAP server is working on other sites.

Is this a configuration issue or a bug?
According to comment nr 2 in issue nr 2751219 this is not a bug, but it's just a configuration issue. Here is a quote from it:


  Incorrect admin password for LDAP server.


So double check the password is correct, and try again ...