SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: DELETE FROM bb1_sessions WHERE lastactivity<1715668718
mysql error:
mysql error number: 0
Date: 14.05.2024 @ 09:08
Script: /wbblite/index.php?sid=03c0e7f6141bac0c4556f0089ec03b34
Referer: