SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: DELETE FROM bb1_sessions WHERE lastactivity<1715877531
mysql error:
mysql error number: 0
Date: 16.05.2024 @ 19:08
Script: /wbblite/profile.php?userid=23&sid=58d93bee8d71d3d31da68b09b9dc36c0
Referer: