Request ID: 00-de039a0e2d7a93cf26932249c70f8b62-54b78766c6f2bab9-00
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.