SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error: User 'c4fboard' has exceeded the 'max_user_connections' resource (current value: 20)
mysql error number: 1226
mysql version: unknown
php version: 5.6.3
Date: 04.12.2020 @ 08:57
Script: /thread.php?threadid=10828&threadview=1&hilight=&hilightuser=0
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