SYMPTOM:
After following the steps outlined in KB35792 - How to enable Alert Push Notification when using MicroStrategy Mobile 9.0.2 and later , no push notifications are received on the Mobile devices against Strategy Mobile 10.6. Mobile device log returns the following error message:
[Severe] [MSIAppContext.handleDidFailToRegisterForRemoteNotificationsWithError] [1] [Failed to register the device with the APN with error no valid 'aps-environment' entitlement string found for application]
CAUSE:
Missing the aps-environment key in the mobile application’s entitlements.plist.
ACTION


Users can also refer to the following documentation provided by Apple for more details:
https://developer.apple.com/library/content/documentation/Miscellaneous/Reference/EntitlementKeyReference/Chapters/EnablingLocalAndPushNotifications.html