The layers you have selected contain more than one mesh. You may want to go back and import the meshes separately. If you continue, the meshes will be combined and a new boundary will be created.

public static FailureDefinitionId TooManyMeshes { get; }

Public Shared ReadOnly Property TooManyMeshes As FailureDefinitionId
	Get

public:
static property FailureDefinitionId^ TooManyMeshes {
	FailureDefinitionId^ get ();
}