SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: User web138 already has more than 'max_user_connections' active connections
mysql error number: 1203
Date: 03.05.2024 @ 05:00
Script: /usercp.php?action=addsubscription&threadid=2515&sid=f4ce29cb83356d67a26f283c5b02ff33
Referer: