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 ('4a0a91c0997cdbd60da4f13a15e5a5f9','0','18.218.46.26','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745052913','report.php?postid=15119','0','0','')
mysql error: Duplicate entry '4a0a91c0997cdbd60da4f13a15e5a5f9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 10:55
Script: /report.php?postid=15119
Referer: http://gttempel.de/report.php?postid=15119