Request ID: 00-18eab7f1b7daab5e18bac9b6c0dc9b95-a56338dcc3462d93-00
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.