LoginLdap problem LdapUsers.php

hello to all
I am finding this error
any ideas?

Matomo 3.8.1
LoginLdap 4.0.6

./console loginldap:synchronize-users

INFO [2019-02-28 14:44:42] 1387 LdapUsers::makeLdapClient: Using LDAP server xxx:389
WARNING [2019-02-28 14:44:42] 1387 xxxpiwik/plugins/LoginLdap/Ldap/Client.php(375): Warning - ldap_search(): Search: Bad search filter - Matomo 3.8.1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already)
WARNING [2019-02-28 14:44:42] 1387 xxx/piwik/plugins/LoginLdap/Model/LdapUsers.php(312): Warning - Invalid argument supplied for foreach() - Matomo 3.8.1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already)

Synchronized 0 users!

Error: error or warning logs detected, exit 1

Hello,
I have the same problem, how did you solve it?