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 ('0499fc5d21087ab31cf54d2d76b99be2','0','3.146.176.254','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715674211','board.php?boardid=105&sid=bc6b2e5e3a7f8630a31f6577a1d0616b','0','0','')
mysql error: Duplicate entry '0499fc5d21087ab31cf54d2d76b99be2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 10:10
Script: /board.php?boardid=105&sid=bc6b2e5e3a7f8630a31f6577a1d0616b
Referer: http://wehrbauten.de/board.php?boardid=105&sid=bc6b2e5e3a7f8630a31f6577a1d0616b