discontinuedPackage dart_firebase_admin has been discontinued and replaced by firebase_admin_sdk.

FirebaseMessagingAdminException constructor

FirebaseMessagingAdminException(
  1. MessagingClientErrorCode errorCode, [
  2. String? message
])

Implementation

FirebaseMessagingAdminException(
  this.errorCode, [
  String? message,
]) : super('messaging', errorCode.code, message ?? errorCode.message);