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 ('efc3c170ec1a59dccd6c8cc38a7c203f','0','216.73.216.47','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1756964346','thread.php?goto=firstnew_thread&threadid=2492','0','0','')
mysql error: Duplicate entry 'efc3c170ec1a59dccd6c8cc38a7c203f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 04.09.2025 @ 07:39
Script: /thread.php?goto=firstnew_thread&threadid=2492
Referer: