SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Link-ID == false, connect failed
mysql error: User o2357157 already has more than 'max_user_connections' active connections
mysql error number: 1203
mysql version: unknown
php version: 5.6.40
Date: 22.05.2024 @ 15:00
Script: /usercp.php?action=addsubscription&threadid=21&sid=459f6975bb269faf50a7dc7b1e897c4e
Referer: