Ошибка при отправке дополнительных документов в росреестр

Обработка завершена с ошибками:

Неожиданный EOF или 0 байт из транспортного потока.

в System.Net.FixedSizeReader.ReadPacket(Byte[] buffer, Int32 offset, Int32 count)

в System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)

в System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)

в System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)

в System.Net.Security.SslState.StartSendBlob(Byte[] incoming, Int32 count, AsyncProtocolRequest asyncRequest)

в System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest)

в System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)

в System.Net.TlsStream.CallProcessAuthentication(Object state)

в System.Threading.ExecutionContext.runTryCode(Object userData)

в System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)

в System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)

в System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)

в System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)

в System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)

в System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)

в System.Net.ConnectStream.WriteHeaders(Boolean async)