Request ID: 00-1c5f4b4eb1f9ac7c5a37879ba22dd5f8-f2ffd249ecc873a2-00
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.