Verify the file integrity. If it's a multi-part archive, use a tool like WinRAR or the latest 7-Zip to ensure all parts are extracted correctly. If the file is still missing data, you may need to redownload or re-dump the base game.
Here is a breakdown of why this happens and how to fix it. the nsp file is missing a program type nca
If your prod.keys or title.keys are old, the emulator might fail to decrypt and identify the Program NCA within the container. Verify the file integrity
This error typically occurs when attempting to open, install, or verify a Nintendo Switch (Nintendo Submission Package) file using PC tools like NS-USBloader , Awoo Installer , Nut , or hactool . Here is a breakdown of why this happens and how to fix it
An NSP file is a container that holds several (Nintendo Content Archive) files. Each NCA has a specific type (or role):
The error says a is missing. That means the NSP file does not contain the main executable part of the game or application.