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 ('8d5f0a11b628a1ccbe8f4b91784cce80','0','18.190.219.65','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715230599','board.php?boardid=84&sid=712f3efa24bc2fb86113edb80bd8823d','0','0','')
mysql error: Duplicate entry '8d5f0a11b628a1ccbe8f4b91784cce80' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 06:56
Script: /board.php?boardid=84&sid=712f3efa24bc2fb86113edb80bd8823d
Referer: