Save problem pokemon

a quick question plz and sorry for my english.
everytime that i open pokemon sun or moon i try to save it but when i load it again its not saved. why this happening. why i cant load it from the saving point? maybe i do some wrong. also when i start playing in some point it send me a message that says something about gps i think. any suggestion?

try reinstalling Citra using the latest build

We need more info. Please fill out the support template & provide the log file.