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 ('ff0e4b485330edffab5d6f525a68a486','0','18.118.227.69','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714841649','thread.php?goto=lastpost&threadid=1641&sid=7da3040261b737ea6ec9730ef376bd89','0','0','')
mysql error: Duplicate entry 'ff0e4b485330edffab5d6f525a68a486' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 18:54
Script: /thread.php?goto=lastpost&threadid=1641&sid=7da3040261b737ea6ec9730ef376bd89
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=1641&sid=7da3040261b737ea6ec9730ef376bd89