phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '504830545f78935fd66f1b8a22a27851' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('504830545f78935fd66f1b8a22a27851', -1, 1736607353, 1736607353, '0387c65b', 2, 0)

Line : 180
File : /www/includes/sessions.php