Request ID: 00-a4ecc3d3e5204c9c1018b91714afe46e-c34013b45b2c8720-00
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.