Whatsapp can't open in Micromax Yureka Android 5.0.2

Is any one knows the reason why i can't even open Whatsapp after updating it into latest version on 6-3-18 in my Micromax Yureka Android 5.0.2,i can install new version after i meet this issue and i successfully restore my back ups too but after some hours i have same problem i cant even open the application while i try to open the app it just open into blank white screen and suddently closing no any messages or warnings just can't open the app
If some one knows the reason why it is happening and remedy how to fix it pls let me knows i am worry about it