Family contains other families loaded into it but not used. Consider purging family document from unused families and types.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

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

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

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

See Also