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 ('4c1150ea0b26258a87312e8c697936db','0','3.137.218.230','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715312703','thread.php?threadid=1407&sid=ea642e1e899209c90de306ee6cd87752','0','0','')
mysql error: Duplicate entry '4c1150ea0b26258a87312e8c697936db' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 05:45
Script: /thread.php?threadid=1407&sid=ea642e1e899209c90de306ee6cd87752
Referer: