Some of the views have been switched to raster processing though vector processing is selected.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public static FailureDefinitionId SwitchToRasterProcessingInsteadOfVectorWarning { get; }