SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('f96b8b6882e745067dd202d0ce02c202','0','44.200.23.133','claudebot','1711631270','calendar.php?sid=db5af33eb94f774f3fc7341748e356c8','0','0','')
mysql error: Duplicate entry 'f96b8b6882e745067dd202d0ce02c202' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 28.03.2024 @ 14:07
Script: /calendar.php?sid=db5af33eb94f774f3fc7341748e356c8
Referer: http://your-wbb.de/calendar.php?sid=db5af33eb94f774f3fc7341748e356c8