The highlighted Spot Slope references an element point that is singular.
Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public static FailureDefinitionId SpotSlopeReferencePointIsSingular { get; }Property Value
FailureDefinitionId
See Also
Reference