Some elements are not sized because the system calculation is flow only. You may change the system calculation level to size them again.

public static FailureDefinitionId SizingCalculationFlowOnlyWarn { get; }

Public Shared ReadOnly Property SizingCalculationFlowOnlyWarn As FailureDefinitionId
	Get

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