Well I had installed it on my 3ds with the rxtools guide's steps but yesterday I had taken out my sd card to put new cias on my sd card but when I pluged it back into my 3ds I got the unable to open please redownload error on the bigbluebox app the home and safety app and the cia I had currently installed now even my home and safety app is gone and I can't get bigbluebox back... Help please.....
