phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ffdf9d4835d22d502cc8d12ef34e684d' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ffdf9d4835d22d502cc8d12ef34e684d', -1, 1714253870, 1714253870, '127768ee', -10, 0, 0)

Line : 187
File : sessions.php