Message: Type 'System.Net.Http.HttpRequestException' cannot be serialized

When running document understanding to digitalize PDFs,pngs.


20.10.4+Branch.master.Sha.6a6cfd6dfbeb86aec47564af2f9465ef0bf43df4

Message: Type ‘System.Net.Http.HttpRequestException’ cannot be serialized. Consider marking it with the DataContractAttribute attribute, and marking all of its members you want serialized with the DataMemberAttribute attribute. If the type is a collection, consider marking it with the CollectionDataContractAttribute. See the Microsoft .NET Framework documentation for other supported types.

Exception Type: System.Runtime.Serialization.InvalidDataContractException

RemoteException wrapping System.Runtime.Serialization.InvalidDataContractException: Type ‘System.Net.Http.HttpRequestException’ cannot be serialized. Consider marking it with the DataContractAttribute attribute, and marking all of its members you want serialized with the DataMemberAttribute attribute. If the type is a collection, consider marking it with the CollectionDataContractAttribute. See the Microsoft .NET Framework documentation for other supported types.
at System.Runtime.AsyncResult.End[TAsyncResult](IAsyncResult result)
at System.Activities.WorkflowApplication.CompletedEventHandler.OnStage2Complete(IAsyncResult lastResult, WorkflowApplication instance, Boolean isStillSync)
at System.Activities.WorkflowApplication.EventFrame(IAsyncResult result)

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