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 ('2cf7f325670842f8e5f315a1740f1790','0','216.73.216.89','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1766244272','thread.php?goto=firstnew_thread&threadid=3503','0','0','')
mysql error: Duplicate entry '2cf7f325670842f8e5f315a1740f1790' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.73-1
php version: 5.3.3-7+squeeze19
Date: 20.12.2025 @ 16:24
Script: /waller/thread.php?goto=firstnew_thread&threadid=3503
Referer: