svdt gives problems for a few users. That's why I recommend the old save_manager, and it's also a lot faster to boot up.
Here you have the instructions for the homebrew method:
http://usuaris.tinet.cat/mark/acnl_editor/help.html#Homebrew
Here you have the instructions for the homebrew method:
http://usuaris.tinet.cat/mark/acnl_editor/help.html#Homebrew