Method not found: 'Void System.Net.WebProxy..ctor(System.String, Boolean

[louanfontenele]

Bug on:

ERROR|ASF|Execute() An error occurred: AggregateException One or more errors occurred. (Method not found: 'Void System.Net.WebProxy..ctor(System.String, Boolean)'.) (Method not found: 'Void System.Net.WebProxy..ctor(System.String, Boolean)'.) (Method not found: 'Void System.Net.WebProxy..ctor(System.String, Boolean)'.)