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 ('c4d3bebbb197760b16d7c435c6ec8fcb','0','18.191.218.130','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716121340','thread.php?goto=lastpost&threadid=625&sid=6d892d27029fb26eaa98f088cf650554','0','0','')
mysql error: Duplicate entry 'c4d3bebbb197760b16d7c435c6ec8fcb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 19.05.2024 @ 14:22
Script: /thread.php?goto=lastpost&threadid=625&sid=6d892d27029fb26eaa98f088cf650554
Referer: