SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('c3811ec9688a909e41c8943e497372c3','0','3.16.67.54','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715493278','thread.php?threadid=238334&sid=1ec7cb8eee2cf667123015d90693bcb5','0','0','')
mysql error: Duplicate entry 'c3811ec9688a909e41c8943e497372c3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 12.05.2024 @ 07:54
Script: /thread.php?threadid=238334&sid=1ec7cb8eee2cf667123015d90693bcb5
Referer: