Request ID: 00-9d9c0b5d0b325d7c5a5e5cbd660f96ac-b9e44f8cc97f64c6-00
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.