Warnings in PIWIK

WARNING: /srv/www/htdocs/piwik/plugins/LoginLdap/Ldap/Client.php(132): Warning - ldap_bind(): Unable to bind to server: Invalid credentials - Piwik 2.11.2 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)

What does this warning mean? Is it neccessary to inform our IT Support?

Hi,

The warning means that the LDAP plugin you are using can’t connect to your LDAP server.