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 ('a995ab4c977f148849cf714cb858050d','0','18.219.213.196','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715476219','thread.php?goto=lastpost&threadid=519&sid=1559d48542757abb0e00b68de34ece4d','0','0','')
mysql error: Duplicate entry 'a995ab4c977f148849cf714cb858050d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 03:10
Script: /thread.php?goto=lastpost&threadid=519&sid=1559d48542757abb0e00b68de34ece4d
Referer: