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 ('b646bb5cd3349352a9b246c51bdf507d', -1, 1560792757, 1560792757, '36912d8f', 46, 0, 0)

Line : 189
File : sessions.php