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 ('d65fd831b291eb7ff72227429ad093c9', -1, 1563220756, 1563220756, '22e51864', 22, 0, 0)

Line : 189
File : sessions.php