: Ensure you are launching the primary game file (the largest NSP) rather than an update or DLC. Tools like SteamRom Manager sometimes accidentally point to update files instead of the base game.
Some homebrew loaders (e.g., ) expect a program_hot.nca for real-time patching. the nsp file is missing a programtype nca hot
: Try using WinRAR instead of 7-Zip, as some users report 7-Zip may fail to extract all necessary components from split archives. : Ensure you are launching the primary game