SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('c1d39f5ea7f6313a04c6c9d4a1a36e40','0','13.58.216.18','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714291097','board.php?boardid=135&sid=69fa7850ccaec5742d9f04078f19549a','0','0','')
mysql error: Duplicate entry 'c1d39f5ea7f6313a04c6c9d4a1a36e40' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 28.04.2024 @ 09:58
Script: /board.php?boardid=135&sid=69fa7850ccaec5742d9f04078f19549a
Referer: http://mainboard.ppg-clan.de/board.php?boardid=135&sid=69fa7850ccaec5742d9f04078f19549a