Request ID: 00-f50bfb96f6a96e02218ce9d5bac90c69-d2ec3f8c75eb9713-00
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.