These files are not official Nintendo products. Users on Reddit's SwitchPirates community warn that such files can contain unsigned or malicious code that could brick a console or infect a PC.
The file is a compressed archive part typically found on third-party ROM or "warez" websites. It is intended for use with Nintendo Switch emulators like Ryujinx or on modified (jailbroken) consoles. Key Features & Technical Context Pokemon Scarlet (NSP)(Base Game).part1 (2).rar
Errors such as "The folder name is not valid" are common if parts are renamed or missing during the extraction process. These files are not official Nintendo products