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 ('b4543ee471c2a017f9e19ab4d7422851','0','3.145.50.83','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714512987','thread.php?goto=lastpost&threadid=613&sid=2ce7bf445480c758a36938d6668783fb','0','0','')
mysql error: Duplicate entry 'b4543ee471c2a017f9e19ab4d7422851' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 30.04.2024 @ 23:36
Script: /thread.php?goto=lastpost&threadid=613&sid=2ce7bf445480c758a36938d6668783fb
Referer: