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 ('09034bbb5dd6717721ff5fea5f80b893','0','3.23.101.91','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715734643','jgs_portal_box.php?id=5&sid=f3ec1280717864fad8b358fc181db143','0','0','')
mysql error: Duplicate entry '09034bbb5dd6717721ff5fea5f80b893' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.41-3ubuntu12.3
php version: 4.4.9
Date: 15.05.2024 @ 02:57
Script: /wbb2/jgs_portal_box.php?id=5&sid=f3ec1280717864fad8b358fc181db143
Referer: