Request ID: 00-524f3c0b594ac9afd0e1ebaa34b38a58-2f6a6bcc08c14b7b-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.