Request ID: 00-4dd067a7476a9efa2764af4a5a3ec42b-f6bc66188d5feca6-00
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.