Request ID: 00-fc7db4b0f28c88ec9c61dfc02d6cc930-b829d551445bc212-00
A second operation was started on this context instance before a previous operation completed. This is usually caused by different threads concurrently using the same instance of DbContext. For more information on how to avoid threading issues with DbContext, see https://go.microsoft.com/fwlink/?linkid=2097913.