phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f6a8b1e0d0b9de537c9f5de843749259', -1, 1560830149, 1560830149, '22e57e1d', 2, 0, 0)

Line : 189
File : sessions.php