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 ('2746bf8d5d9626691d1275d6e6046bb6','0','18.191.170.145','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744984762','thread.php?postid=4974','0','0','')
mysql error: Duplicate entry '2746bf8d5d9626691d1275d6e6046bb6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 18.04.2025 @ 15:59
Script: /thread.php?postid=4974
Referer: http://gttempel.de/thread.php?postid=4974