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 ('f2953c8d6457402df21eae36bde1bf69', -1, 1563720188, 1563720188, '36f2c129', 0, 0, 0)

Line : 189
File : sessions.php