Database error (Error 0x01)

Failed to connect to MySQL database backend.

Module: /kunden/telefon-strom.de/wir-suchen-vertriebspartner/1000000/lib/config/common.inc.php
Line: 39

Process:
Connect

Error number:
2005

Error description:
Unknown MySQL server host 'mysql5.telefon-strom.de' (1)

Fri, 15 Dec 2017 01:19:30 +0100