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 ('bf0d9751fd5d49402f7094e84cffc600','0','3.143.1.57','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715960882','usercp.php?action=buddy&add=344&sid=c54bd67a07b0bc3113b28a0e688e9dab','0','0','')
mysql error: Duplicate entry 'bf0d9751fd5d49402f7094e84cffc600' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 17:48
Script: /usercp.php?action=buddy&add=344&sid=c54bd67a07b0bc3113b28a0e688e9dab
Referer: