An insert in a design option cannot be hosted by an element in the Main Model [--if you continue it will not be added to the design option set].

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

C#
`public static FailureDefinitionId ConfusingHostByElementsInMainModelWarn { get; }`

Visual Basic
`Public Shared ReadOnly Property ConfusingHostByElementsInMainModelWarn As FailureDefinitionId Get`

Visual C++
`public: static property FailureDefinitionId^ ConfusingHostByElementsInMainModelWarn { FailureDefinitionId^ get (); }`

See Also