Request ID: 00-9d79f148fbcd4dcb5248d8fb1b575e54-fa18c8e2b10d4401-00
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.