phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fdffa33666b5c756623c9d2fc6507bd4' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('fdffa33666b5c756623c9d2fc6507bd4', -1, 1715298697, 1715298697, '03951ab0', 35, 0, 0)

Line : 187
File : sessions.php