A family instance placed on a curved surface of a linked file can't be moved while the link is unloaded. To move the instance, reload the link or rehost the instance.

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

Syntax

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

See Also