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 ('d9601c19ed7224f0fb1029f9596a95d4','0','13.58.247.231','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715854536','jgs_chat.php?sid=%2083302e139517c1d10dc3316a6f1fc658','0','0','')
mysql error: Duplicate entry 'd9601c19ed7224f0fb1029f9596a95d4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 16.05.2024 @ 12:15
Script: /Forum/jgs_chat.php?sid=%2083302e139517c1d10dc3316a6f1fc658
Referer: