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 ('d351ba50fc9b3919c1e1d1642274bd72','0','3.142.194.150','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744984242','thread.php?postid=5410','0','0','')
mysql error: Duplicate entry 'd351ba50fc9b3919c1e1d1642274bd72' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 18.04.2025 @ 15:50
Script: /thread.php?postid=5410
Referer: http://www.gttempel.de/thread.php?goto=lastpost&threadid=633