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: 22.07.2024 @ 13:18
Script: /wbb2/index.php/banner/js/images/board.php?boardid=111%3Fsid%3D31444161fb5a33b9e6c47de2f146ed1f
Referer: