Request ID: 00-34e6e79949e8369ac8f9d0ccc055ec24-0de19ed294a980e0-00
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.