When the application launches, it looks for this specific text file in a specific directory. The file contains a structured list of titles, download links, region codes, and content IDs. Without this file, the application is essentially an empty shell; it has no data to render, and thus, it cannot create the user interface list. The "missing" error is the application's way of stating that it cannot find the menu it needs to display.
New users often forget to generate or obtain the file. PKGi does not create it automatically. pkgi.txt files missing