Exception : Operation not supported on this platform

[sourabhbhagat]

Hi

Getting an error while creating dwolla client. I have tried to upgrade .net 4.7.1 but the problem still persist

at Dwolla.Client.DwollaClient.CreateHttpClient()
at Dwolla.Client.DwollaClient.Create(Boolean isSandbox)
at SmartCrowd.Dwolla.PluggableApp.DwollaUtility..ctor(String key, String secret, Boolean UAT) in C:\Projects\Dwolla\src\SmartCrowd.Dwolla.PluggableApp\Utility\DwollaUtility.cs:line 28
at SmartCrowd.Dwolla.PluggableApp.Services.Payer..ctor(String coreConnectionString) in C:\Projects\Dwolla\src\SmartCrowd.Dwolla.PluggableApp\Services\Payer.cs:line 32
at SmartCrowd.Dwolla.PluggableApp.Controllers.PaymentUploadController..ctor() in C:\Projects\Dwolla\src\SmartCrowd.Dwolla.PluggableApp\Controllers\PaymentUploadController.cs:line 20
at lambda_method(Closure , IBuilderContext )
at Unity.ObjectBuilder.BuildPlan.DynamicMethod.DynamicBuildPlanGenerationContext.<>c__DisplayClass16_0.b__0(IBuilderContext context)
at Unity.ObjectBuilder.BuildPlan.DynamicMethod.DynamicMethodBuildPlan.BuildUp(IBuilderContext context)
at Unity.ObjectBuilder.Strategies.BuildPlanStrategy.PreBuildUp(IBuilderContext context)
at Unity.Container.StrategyChain.BuildUp(IBuilderContext builderContext)