Dynamics 365 for Finance and Operations warehousing app

Hi All,

I am trying to configure new warehousing app - Dynamics 365 for operations Warehousing App.

I have successfully completed all steps mentioned in the below URL.
https://docs.microsoft.com/en-us/dynamics365/unified-operations/supply-chain/warehousing/install-configure-warehousing-app 

But when I enter all the credentials in mobile app, it gives an error 'Unauthorized'.