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 ('8a1705a4f184d5f34645d9bede2c413f', -1, 1563305526, 1563305526, '12d16807', -2, 0, 0)

Line : 189
File : sessions.php