The exception that is thrown when TransientElementCreationScope is used incorrectly.

Namespace: Autodesk.Revit.Exceptions
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since: 2016

Syntax

C#
`[SerializableAttribute] public class TransientElementCreationException : InvalidOperationException`

Visual Basic
`<SerializableAttribute> _ Public Class TransientElementCreationException _ Inherits InvalidOperationException`

Visual C++
`[SerializableAttribute] public ref class TransientElementCreationException : public InvalidOperationException`

Remarks

The exception would be thrown in the following cases:

An element that does not support TransientElementCreationScope is being created in the Scope.
A TransientElementCreationScope is being created while another such scope is already active.

SystemObject
  SystemException
    Autodesk.Revit.ExceptionsApplicationException
      Autodesk.Revit.ExceptionsInvalidOperationException
        Autodesk.Revit.ExceptionsTransientElementCreationException