Request ID: 00-bc87064b6ebcae470a9ab0ff1e163a81-6a77240fe78f4e38-00
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.