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 ('f0ee707975758e668d97d624182c71ed','0','3.15.144.170','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715878961','thread.php?goto=lastpost&threadid=2499&sid=404f25ed74909df312211fd8dcf1ac7e','0','0','')
mysql error: Duplicate entry 'f0ee707975758e668d97d624182c71ed' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 19:02
Script: /thread.php?goto=lastpost&threadid=2499&sid=404f25ed74909df312211fd8dcf1ac7e
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2499&sid=404f25ed74909df312211fd8dcf1ac7e