Your Atmosphere custom firmware is not configured to allow unsigned code (i.e., backups) to run.
Which are you currently using (e.g., Ryujinx, Steam Deck/EmuDeck, or a modded console)? the nsp file is missing a programtype nca fix
: If signature patches are active but errors persist, your boot configuration file might be skipping them. Your Atmosphere custom firmware is not configured to
If the keys are up to date, the file itself might be corrupted. A single missing megabyte from an interrupted download can cause the installer to misread the package. the nsp file is missing a programtype nca fix
