I have the same issue.
Here's what I did:
Decrypted the .cia file using GodMode9.
Obtained the decrypted .cia file from the SD card on PC.
SD:\gm9\out
Extracted all files from the .cia using DotNet.3DS.Toolkit.v1.4.6.
Moved the "ExtractedBanner" folder to "HackingToolkit9DS\PackHack\"
Used...