Homebrew games for retro consoles have seen a rise over the years thanks to new tools and community-made development kits, which help a lot in the process of creating brand-new games for older consoles.
This past month, romhacker and developer...
Flashing a different CTRTransfer image will not help.
I think your problem is like this one:
cfw 2ds xl has black screen on bootup and cant get to home menu
That person had a brick with this error.
Check if you have a "gamecoin"-type brick...