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 ('05598e6665b253f96813800ee6a15602','0','18.188.40.207','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715520881','board.php?boardid=467&sid=87b344522b77af2c577ee50721e5a936','0','0','')
mysql error: Duplicate entry '05598e6665b253f96813800ee6a15602' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 15:34
Script: /board.php?boardid=467&sid=87b344522b77af2c577ee50721e5a936
Referer: http://wehrbauten.de/board.php?boardid=467&sid=87b344522b77af2c577ee50721e5a936