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 ('edc8f1dbc1f6e48690a7ca6c980a2a95','0','18.118.200.86','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714581046','board.php?boardid=33154&sid=71f67b63193fe06c78b2c9ac2d88ec63','0','0','')
mysql error: Duplicate entry 'edc8f1dbc1f6e48690a7ca6c980a2a95' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 01.05.2024 @ 18:30
Script: /board.php?boardid=33154&sid=71f67b63193fe06c78b2c9ac2d88ec63
Referer: http://mainboard.ppg-clan.de/board.php?boardid=33154&sid=71f67b63193fe06c78b2c9ac2d88ec63