Request ID: 00-0416aab9e63f86e2083f6ec7f6e65f3d-00979bc0761915b9-00
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.