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 ('174ee0531d41dee70dc8ab41b716b3c1','0','18.188.10.246','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715181496','board.php?boardid=109&sid=a7bfdeb575c8fb18fc9808af41fd4caa','0','0','')
mysql error: Duplicate entry '174ee0531d41dee70dc8ab41b716b3c1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 17:18
Script: /board.php?boardid=109&sid=a7bfdeb575c8fb18fc9808af41fd4caa
Referer: http://wehrbauten.de/board.php?boardid=109&sid=a7bfdeb575c8fb18fc9808af41fd4caa