Message in Korean (한국어)
다른 ServiceHost 인스턴스에 이미 추가되었으므로 ServiceMetadataExtension 인스턴스를 ServiceHost 인스턴스에 추가할 수 없습니다.
Unlocalized message
The ServiceMetadataExtension instance could not be added to the ServiceHost instance because it has already been added to another ServiceHost instance.
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