SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: Too many connections
mysql error number: 1040
Date: 25.05.2024 @ 08:20
Script: /usercp.php?action=buddy&add=564&sid=0579e858a59a1f2d4bf5a587ef49cd66
Referer: