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 ('0988e59fd404f06822ae06ed0862fda2','0','3.147.89.24','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715045891','board.php?boardid=717&sid=4a4fbe314fc850175b1810587af2b369','0','0','')
mysql error: Duplicate entry '0988e59fd404f06822ae06ed0862fda2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 03:38
Script: /board.php?boardid=717&sid=4a4fbe314fc850175b1810587af2b369
Referer: http://wehrbauten.de/board.php?boardid=717&sid=4a4fbe314fc850175b1810587af2b369