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 ('2769d4c3d5f7f4f82f21f1053e1b71e3', -1, 1569030080, 1569030080, '22ccb0bd', 2, 0, 0)

Line : 189
File : sessions.php