The hanger rod was disconnected because there is no structural component above.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0)

Syntax

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

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

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

See Also