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 ('01f9a996e9bec40594ce9a4dcdd6c719','0','3.128.202.221','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715628122','board.php?boardid=3&sid=5668205b42cf359faf4fbd5d4c32f991','0','0','')
mysql error: Duplicate entry '01f9a996e9bec40594ce9a4dcdd6c719' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 13.05.2024 @ 21:22
Script: /board.php?boardid=3&sid=5668205b42cf359faf4fbd5d4c32f991
Referer: