Request ID: 00-f799cb3b09c8b6997f4a877e76f8ec95-ee6a82256f96b00a-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.