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 ('ecedf580d3f9a28114a128b6a63ec436','0','3.137.166.124','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715478856','addreply.php?postid=2320&sid=c721e1ddaaa48a762a1b81f558ef4299','0','0','')
mysql error: Duplicate entry 'ecedf580d3f9a28114a128b6a63ec436' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 03:54
Script: /addreply.php?postid=2320&sid=c721e1ddaaa48a762a1b81f558ef4299
Referer: http://wehrbauten.de/addreply.php?postid=2320&sid=c721e1ddaaa48a762a1b81f558ef4299