If you are running custom firmware and the game won't launch, you likely need to update your sigpatches [Source].
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: Ensure you have the base game NSP (typically labeled [v0]) and the latest update file. Using SAC (Swiss Army Knife) : Place your Nintendo keys in the SAC bin folder. Launch SAC and select "update NSP" . groove coaster wai wai party nspupdate 1 install
Turn on your console into your custom custom-firmware environment.
How do you know Update 1 installed correctly? If you are running custom firmware and the
This guide focuses on how to for your custom firmware (CFW) enabled Nintendo Switch or emulator. What is the Groove Coaster Wai Wai Party! NSP Update 1?
He’d heard the rumors on the discord server. Update 1 wasn’t just bug fixes. It added three new vocaloid tracks, a Touhou Project medley, and — if the leakers were right — a secret “Wai Wai Party” mode where up to four players could chain combos across split joy-cons. Using SAC (Swiss Army Knife) : Place your
This occurs if you try to install an update file without installing the primary base game [v0] file first. Always verify that the base game is fully visible in your library before applying patches.