I am using xperia c5 ultra dual i have a problem

[Jay6191]

When I am opening mine contacts interruption coming.... Unfortunately contacts stopped 

[ChloeS]

Hi @Jay6191

Welcome to the community!

Sorry to hear you're having issues with your handset 

I would suggest clearing app data from the contacts app, to do this go to settings > apps > contacts > clear data > force stop

Once you have tried the above then open the contacts app and see if you can access it without the error message.

Let me know how it goes