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 ('0ac647bc1629ea1c9de5ee8ffc23f3af','0','18.224.61.19','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716255147','misc.php?action=imprint&sid=b7e0359d1bdec13f55cdebd9580a3ff8','0','0','')
mysql error: Duplicate entry '0ac647bc1629ea1c9de5ee8ffc23f3af' 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 @ 03:32
Script: /misc.php?action=imprint&sid=b7e0359d1bdec13f55cdebd9580a3ff8
Referer: http://www.gegen-bilderklau.net/misc.php?action=imprint&sid=b7e0359d1bdec13f55cdebd9580a3ff8