SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error: User web2 already has more than 'max_user_connections' active connections
mysql error number: 1203
mysql version: unknown
php version: 5.6.40-47+0~20210227.51+debian9~1.gbpd522a2
Date: 09.05.2021 @ 11:43
Script: /jgs_portal_box.php?id=6&sid=
Referer: