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 ('c1334c798e5ed1fe982a2b4e77ffbca4','0','18.216.227.61','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745055580','thread.php?goto=firstnew_thread&threadid=1237','0','0','')
mysql error: Duplicate entry 'c1334c798e5ed1fe982a2b4e77ffbca4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 11:39
Script: /thread.php?goto=firstnew_thread&threadid=1237
Referer: http://gttempel.de/thread.php?goto=firstnew_thread&threadid=1237