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 ('9a0c2722dc5b780a30f8b7d0a7e2b50d', -1, 1563221928, 1563221928, '22e51864', -4, 0, 0)

Line : 189
File : sessions.php