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 ('1ed0fe848f901d9ad57a559522ad306c','0','18.224.63.87','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715159637','board.php?boardid=412&sid=38efdf240915378bfaa3fab8bfaa2936','0','0','')
mysql error: Duplicate entry '1ed0fe848f901d9ad57a559522ad306c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 11:13
Script: /board.php?boardid=412&sid=38efdf240915378bfaa3fab8bfaa2936
Referer: