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 ('7e5eee117bd9ab182d136a2fe1648919','0','18.191.5.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714882711','board.php?boardid=158&sid=af0a010095bba730c538383244afa4ca','0','0','')
mysql error: Duplicate entry '7e5eee117bd9ab182d136a2fe1648919' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 06:18
Script: /board.php?boardid=158&sid=af0a010095bba730c538383244afa4ca
Referer: http://wehrbauten.de/board.php?boardid=158&sid=af0a010095bba730c538383244afa4ca