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 ('307e5af64de3a64bb50f12091ff149ef','0','18.119.104.238','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714661190','report.php?postid=4822&sid=856d6ef783fb434ce56ee4b4c786f17e','0','0','')
mysql error: Duplicate entry '307e5af64de3a64bb50f12091ff149ef' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 16:46
Script: /report.php?postid=4822&sid=856d6ef783fb434ce56ee4b4c786f17e
Referer: http://wehrbauten.de/report.php?postid=4822&sid=856d6ef783fb434ce56ee4b4c786f17e