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 ('75cb28253363b0f3fbbc6a88786d3780','0','3.137.161.116','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745231377','thread.php?goto=nextoldest&threadid=1214','0','0','')
mysql error: Duplicate entry '75cb28253363b0f3fbbc6a88786d3780' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 12:29
Script: /thread.php?goto=nextoldest&threadid=1214
Referer: http://gttempel.de/thread.php?goto=nextoldest&threadid=1214