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 ('3bd5027d96bc1b72976f9031a34028de','0','18.218.38.125','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715203727','board.php?boardid=404&sid=479f982ec675532a5cb57439fc884f41','0','0','')
mysql error: Duplicate entry '3bd5027d96bc1b72976f9031a34028de' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 23:28
Script: /board.php?boardid=404&sid=479f982ec675532a5cb57439fc884f41
Referer: