Curtain element Panel doesn't belong to Curtain element. In merging, you must select the version of a Curtain element that has had Panels added to it.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)

Syntax

C#
public static FailureDefinitionId CurtainPanelNotBelongsToElement { get; }
Visual Basic
Public Shared ReadOnly Property CurtainPanelNotBelongsToElement As FailureDefinitionId
	Get
Visual C++
public:
static property FailureDefinitionId^ CurtainPanelNotBelongsToElement {
	FailureDefinitionId^ get ();
}

See Also