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 ('1e6dda87a2d9545ad5857164c8599628','0','18.218.70.93','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714965962','board.php?boardid=368&sid=cc98aef3d7272d368f2effe1fa31e401','0','0','')
mysql error: Duplicate entry '1e6dda87a2d9545ad5857164c8599628' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 05:26
Script: /board.php?boardid=368&sid=cc98aef3d7272d368f2effe1fa31e401
Referer: