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 ('2c73c7ddca5cce73846969b0989a1a97', -1, 1563305413, 1563305413, '12d16807', 42, 0, 0)

Line : 189
File : sessions.php