Request ID: 00-6f4ae34f9946ef932b17e7e706e8c9d3-b0a8456597a43b26-00
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.