Built In Failures Creation Failures Cannot Create Old Corner Mullion Property

Cannot change the type of a mullion created prior to release 4.0 to a corner mullion type. Try deleting the existing mullion and placing a new one.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public static FailureDefinitionId CannotCreateOldCornerMullion { get; }

Public Shared ReadOnly Property CannotCreateOldCornerMullion As FailureDefinitionId
	Get

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

static member CannotCreateOldCornerMullion : FailureDefinitionId with get