SQL-DATABASE ERROR

Database error in (): Link-ID == false, connect failed
mysql error:
mysql error number:
mysql version: unknown
php version: 7.4.33-nmm5
Date: 18.07.2024 @ 17:36
Script: /wbb2/index.php/banner/images/js/board.php?boardid=111%3Fsid%3D09d2e3b7182ee57b815aa6b24c42f1e2
Referer: