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 ('ba7030735b3abc5fa623724ef4d41e41','0','3.141.42.84','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716318150','board.php?boardid=71&sid=75e7aace5970ee44dd62d4c754b1259b','0','0','')
mysql error: Duplicate entry 'ba7030735b3abc5fa623724ef4d41e41' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 21.05.2024 @ 21:02
Script: /board.php?boardid=71&sid=75e7aace5970ee44dd62d4c754b1259b
Referer: http://www.gegen-bilderklau.net/board.php?boardid=71&sid=75e7aace5970ee44dd62d4c754b1259b