The photos taken in the Moto E camera is saving on the sd card suddenly, why?

[AC Question]

the photos taken in the moto e camere is saving in sd card suddenly?

whenever i take a photo in my moto e camera the photos will be automatically saved in the internal memory and the photos that i receive in the watsapp will also be shown in the gallery under watsapp images...but now the photos which i take from camera are saving in sd card and the image receiving in watsapp are not showing in gallery itself. mainly the songs which i had in playmusic file is not playing..is this due to any settings change? pls do help me..