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 ('33c32cd05def76945fda7b95cb2ebc15','0','3.145.77.156','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715835545','board.php?boardid=209&sid=0e0e6ce19595bbffa92c0b3363b422ec','0','0','')
mysql error: Duplicate entry '33c32cd05def76945fda7b95cb2ebc15' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 06:59
Script: /board.php?boardid=209&sid=0e0e6ce19595bbffa92c0b3363b422ec
Referer: http://wehrbauten.de/board.php?boardid=209&sid=0e0e6ce19595bbffa92c0b3363b422ec