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 ('5e2b755f37ba7ea99ba048fd829f87bf','0','216.73.216.44','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1757990255','thread.php?threadid=49','0','0','')
mysql error: Duplicate entry '5e2b755f37ba7ea99ba048fd829f87bf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 16.09.2025 @ 04:37
Script: /thread.php?threadid=49
Referer: