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 ('c59c4bd6939f4b94ae3ea41921561985','0','3.149.251.155','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714286072','board.php?boardid=119&sid=65286b70fa837b656f3cac17d52c9ddf','0','0','')
mysql error: Duplicate entry 'c59c4bd6939f4b94ae3ea41921561985' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 28.04.2024 @ 08:34
Script: /board.php?boardid=119&sid=65286b70fa837b656f3cac17d52c9ddf
Referer: http://mainboard.ppg-clan.de/board.php?boardid=119&sid=65286b70fa837b656f3cac17d52c9ddf