Try using a different installation tool (like DBI instead of Goldleaf) or updating your sigpatches and CFW files.
Step 2: Update Your Prod.keys and Title.keys (For Emulators) the nsp file is missing a program-type nca
Why you might see "Missing a program-type NCA" Try using a different installation tool (like DBI
If the file is a base game, it may be corrupted. Try redownloading the file or using a different source. the nsp file is missing a program-type nca
Look for:
These methods are for those comfortable with command-line tools. They can provide the most definitive answers.