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 ('eacf7916a6c5d7364f507c5d4ac82333','0','216.73.216.19','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1756580867','attachment.php?attachmentid=9877','0','0','')
mysql error: Duplicate entry 'eacf7916a6c5d7364f507c5d4ac82333' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 30.08.2025 @ 21:07
Script: /attachment.php?attachmentid=9877
Referer: