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 ('fdc2928ec2b33d804037b38e7fb1d5be','0','18.224.43.98','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1735269368','thread.php?hilightuser=0&threadid=1234&threadview=1','0','0','')
mysql error: Duplicate entry 'fdc2928ec2b33d804037b38e7fb1d5be' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 27.12.2024 @ 04:16
Script: /thread.php?hilightuser=0&threadid=1234&threadview=1
Referer: http://gttempel.de/thread.php?hilightuser=0&threadid=1234&threadview=1