SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('707abaec4449660c71d5216b906afe05','0','3.14.253.131','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715860314','thread.php?goto=lastpost&threadid=2025&sid=aeda81f53d8e7bfffc80ec698c593ddc','0','0','')
mysql error: Duplicate entry '707abaec4449660c71d5216b906afe05' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 13:51
Script: /thread.php?goto=lastpost&threadid=2025&sid=aeda81f53d8e7bfffc80ec698c593ddc
Referer: