No valid aps-environment entitlement string found for application on app store
To solve this error you need to add the push notification capability using Xcode like the below screenshot:-
No valid aps-environment entitlement string found for application on app store,
How to fix no valid aps-environment entitlement string found,
no valid aps-environment entitlement string found for application error when implementing FCM,
No valid aps-environment entitlement string found for application on app store,
with Xcode 8 no valid aps-environment entitlement string found