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 ('f9248e278187d349483f4f6938bd0950','0','18.117.148.105','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714426263','thread.php?threadid=6203&goto=lastpost&sid=9d3dd46dc2d3814cb228cdf6a6660f68','0','0','')
mysql error: Duplicate entry 'f9248e278187d349483f4f6938bd0950' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 29.04.2024 @ 23:31
Script: /thread.php?threadid=6203&goto=lastpost&sid=9d3dd46dc2d3814cb228cdf6a6660f68
Referer: