SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('2b1294f86d23766a4167811c95369551','0','3.141.47.221','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714417225','addreply.php?postid=26100','0','0','')
mysql error: Duplicate entry '2b1294f86d23766a4167811c95369551' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 29.04.2024 @ 21:00
Script: /addreply.php?postid=26100
Referer: