phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '47497f4ce599aa0406e519b62b371d53' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('47497f4ce599aa0406e519b62b371d53', -1, 1771362464, 1771362464, 'd849d87b', 37, 0)

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