missing default notification channel metadata in androidmanifest. default value will be used.

If you encounter this error when using Firebase Cloud Messaging, it is likely that you have the meta-data name wrong in the AndroidManifest.xml.

The correct metadata should be

<meta-data
    android:name="com.google.firebase.messaging.default_notification_channel_id"
    android:value="@string/default_notification_channel_id" />


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