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 ('4ac13b1d8ec53fad6dac5d561b31e615','0','216.73.216.10','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1753379315','addreply.php?action=quote&postid=32265','0','0','')
mysql error: Duplicate entry '4ac13b1d8ec53fad6dac5d561b31e615' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 24.07.2025 @ 19:48
Script: /addreply.php?action=quote&postid=32265
Referer: