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 ('cbf632387069d2441e0632c0ad7249c9','0','3.15.6.77','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715282822','board.php?boardid=161&sid=0da64066e9c5e20667bf79e0b119df79','0','0','')
mysql error: Duplicate entry 'cbf632387069d2441e0632c0ad7249c9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 21:27
Script: /board.php?boardid=161&sid=0da64066e9c5e20667bf79e0b119df79
Referer: