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 ('2170bbb9eee5d3057bd27f6f2ca26920','0','3.141.244.201','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715015207','thread.php?postid=36595','0','0','')
mysql error: Duplicate entry '2170bbb9eee5d3057bd27f6f2ca26920' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 06.05.2024 @ 19:06
Script: /thread.php?postid=36595
Referer: