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 ('55e2d5e019bc3d6c7c7d4d58af408d46', -1, 1568944270, 1568944270, '12ce107b', 46, 0, 0)

Line : 189
File : sessions.php