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 ('ec6bb733a8d1bf50646e38d33e760b44','0','216.73.216.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751623856','addreply.php?postid=13205','0','0','')
mysql error: Duplicate entry 'ec6bb733a8d1bf50646e38d33e760b44' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 04.07.2025 @ 12:10
Script: /addreply.php?postid=13205
Referer: