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 ('c7bb692f74e4db8417dbb52687b5a2b5','0','18.223.196.171','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715715564','board.php?boardid=535&sid=87dbc034e33b6cd30dc85bb080d69e1e','0','0','')
mysql error: Duplicate entry 'c7bb692f74e4db8417dbb52687b5a2b5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 21:39
Script: /board.php?boardid=535&sid=87dbc034e33b6cd30dc85bb080d69e1e
Referer: