: Avoid merging files that already have updates/DLC integrated into a "SuperNSP" multiple times, as this can lead to corruption. Renaming errors
It looks like you’re referencing a file named good piece looking at nsc builder keys.txt . nsc builder keys.txt
Ensure the extension is .txt and not .keys or .txt.txt (common if file extensions are hidden in Windows). : Avoid merging files that already have updates/DLC
NSC Builder expects a specific naming convention. While some versions accept prod.keys directly, the most reliable method for compatibility is to create a dedicated keys.txt file inside the NSC Builder directory. nsc builder keys.txt