If you previously merged a base game with an update and broke the Program NCA, use or NSC_Builder to split them again.
Modern or large games (e.g., The Legend of Zelda: Tears of the Kingdom , Pokémon Scarlet/Violet ) have multiple Program NCAs (e.g., 1.0.0 and 1.1.0). If the download missed one of these sub-programs, the error appears. the nsp file is missing a programtype nca fix
Warning: This is highly technical and only works if you have a separate, valid update or DLC for the same title. The NSP File Is Missing a Programtype NCA
By understanding NSP anatomy and using correct tools, this error is easily resolved. Warning: This is highly technical and only works
How to Fix NSP File Not Showing Up in Ryujinx? - WP Pluginsify
Note: Only operate on files you legally own. Repacking or modifying copyrighted games for distribution is illegal in many jurisdictions.
Ensure your shortcut or emulator is pointing to the file, which is usually significantly larger than updates.