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 ('0994f6fabb1291800d1abce3088fa14f','0','3.135.183.89','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715057122','thread.php?postid=1346','0','0','')
mysql error: Duplicate entry '0994f6fabb1291800d1abce3088fa14f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 07.05.2024 @ 06:45
Script: /thread.php?postid=1346
Referer: http://gttempel.at/thread.php?postid=1346