Cannot Read Property Listregistrationsbytag Of Undefined Azure App Services
- 23 Feb 2017
Calling Register or RegisterAsync in the client code can result in a 400 status code coming back with an inner exception of: ‘Cannot read property ‘listRegistrationsByTag’ of undefined’
Problem:
You are creating a Mobile App or Azure App Services and setting up the push notifications for the first time
Cause:
The Portal blade does not set the Application Setting MS_NotificationHubName
Workaround:
Add MS_NotificationHubName in the Application settings. The name will be the name of your Notification Hub. It is the last item after the \ in the setting MS_NotificationHubId or you can get in from the notification Hub blade:
More information:
Once this is fixed the Portal Blade will set the MS_NotificationHubName for you when you walk through the Portal setup of Push notifications. At that time I will update this Blog! If you need further help, you can certainly open a support case through the Azure Portal.
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