ArcGIS Pro 2.7 API Reference Guide
JSONException Class
Members 

ArcGIS.Core.Geometry Namespace : JSONException Class
Thrown when there is a JSON error.
Syntax
Inheritance Hierarchy

System.Object
   System.Exception
      ArcGIS.Core.Geometry.GeometryException
         ArcGIS.Core.Geometry.JSONException

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

JSONException Members
ArcGIS.Core.Geometry Namespace