SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error: User 'support' has exceeded the 'max_user_connections' resource (current value: 20)
mysql error number: 1226
mysql version: unknown
php version: 5.2.11
Date: 25.04.2014 @ 09:33
Script: /thread.php?postid=89636
Referer: