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 ('f4410feb9e5f74bd034735ec946696c5','0','3.138.200.66','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715316950','board.php?boardid=501&sid=919e7de79e29bec8454d8d612671cf2e','0','0','')
mysql error: Duplicate entry 'f4410feb9e5f74bd034735ec946696c5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 06:55
Script: /board.php?boardid=501&sid=919e7de79e29bec8454d8d612671cf2e
Referer: http://wehrbauten.de/board.php?boardid=501&sid=919e7de79e29bec8454d8d612671cf2e