Request ID: 00-ddc3d88b4ab89c5e22a26412228514be-49aeb9ca1487287f-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.