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 ('dd0d275fc5d4b6f7db453a6ea4fbfb81','0','18.226.169.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714171975','board.php?boardid=55&sid=2af3853f8f7838e205bbf3f58dca8d53','0','0','')
mysql error: Duplicate entry 'dd0d275fc5d4b6f7db453a6ea4fbfb81' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 27.04.2024 @ 00:52
Script: /board.php?boardid=55&sid=2af3853f8f7838e205bbf3f58dca8d53
Referer: