phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cfcfd8d6139a11a19fcc4e9e000a78e1' 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 ('cfcfd8d6139a11a19fcc4e9e000a78e1', -1, 1714240879, 1714240879, '038666b6', 9, 0, 0)

Line : 187
File : sessions.php