SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('4d46d9d1fc299752948a8f49406489b8','0','3.22.194.224','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1746576591','thread.php?goto=firstnew_thread&threadid=7243','0','0','')
mysql error: Duplicate entry '4d46d9d1fc299752948a8f49406489b8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.41
php version: 5.3.1
Date: 07.05.2025 @ 02:09
Script: /plauscherl/thread.php?goto=firstnew_thread&threadid=7243
Referer: