SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('4e3de37c4bec894f3cfad53937fb35ed','0','18.222.125.171','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714151911','profile.php?userid=53&sid=92bac3945a53af07524ff7b3a936b66f','0','0','')
mysql error: Duplicate entry '4e3de37c4bec894f3cfad53937fb35ed' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 26.04.2024 @ 19:18
Script: /profile.php?userid=53&sid=92bac3945a53af07524ff7b3a936b66f
Referer: