You have selected elements that are already part of other Circuits that have assigned Panels. The elements you selected cannot be added to this Circuit.

public static FailureDefinitionId ElementsBelongToOtherCircuit { get; }

Public Shared ReadOnly Property ElementsBelongToOtherCircuit As FailureDefinitionId
	Get

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