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 ('bef8f0de5ced3d5dc1c68fad034e640b','0','216.73.216.19','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1756655861','addreply.php?postid=23310','0','0','')
mysql error: Duplicate entry 'bef8f0de5ced3d5dc1c68fad034e640b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 31.08.2025 @ 17:57
Script: /addreply.php?postid=23310
Referer: