SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('b7d0859c4f6946f21f9201f760d454ce','0','18.226.52.26','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734872978','attachment.php?attachmentid=5751','0','0','')
mysql error: Duplicate entry 'b7d0859c4f6946f21f9201f760d454ce' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 14:09
Script: /attachment.php?attachmentid=5751
Referer: http://gttempel.de/attachment.php?attachmentid=5751