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 ('cce2abaefccc93a0cbd6039faafbeb9d','0','216.73.216.189','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749973531','addreply.php?postid=90654','0','0','')
mysql error: Duplicate entry 'cce2abaefccc93a0cbd6039faafbeb9d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 15.06.2025 @ 09:45
Script: /addreply.php?postid=90654
Referer: