Request ID: 00-a3b742b8cd133083cac37173f44cd5ce-2cc98ff3cecd41c3-00
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.