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 ('61fc2422d097ed1f59fc23eb67f5d467','0','3.138.33.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714049043','profile.php?userid=44&sid=554903fc389aa726bbf85f31405f95da','0','0','')
mysql error: Duplicate entry '61fc2422d097ed1f59fc23eb67f5d467' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 25.04.2024 @ 14:44
Script: /profile.php?userid=44&sid=554903fc389aa726bbf85f31405f95da
Referer: