Request ID: 00-4ffc63482fece0dac1d4b5e74e1f7607-31c7a6a7c45b79b9-00
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.