Request ID: 00-fb6b41a136687c781940ea79a3ec7524-c4ca4d11ff750503-00
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.