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 ('f0d477ade9716c3f67403289f96d7428','0','216.73.216.69','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750288820','addreply.php?action=quote&postid=25221','0','0','')
mysql error: Duplicate entry 'f0d477ade9716c3f67403289f96d7428' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.06.2025 @ 01:20
Script: /addreply.php?action=quote&postid=25221
Referer: