Hello.
When I try to login into my Zabbix, in LDAP auth mode. If I use a valid user but a wrong password, this error is displayed on the top of the login page :
It's not a problem for me, but I think it's not the "normal" error message. 
When I try to login into my Zabbix, in LDAP auth mode. If I use a valid user but a wrong password, this error is displayed on the top of the login page :
ldap_bind() [<a href='function.ldap-bind'>function.ldap-bind</a>]: Unable to bind to server: Invalid credentials[/usr/local/apache2/htdocs/zabbix/include/classes/cldap.inc.php:162]