Process completed with exit code 1.

Non-nullable property 'Message' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Instrument' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'ProductTrades' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'InstrumentName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Product' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Product' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'ProductName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Rank' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'UserName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.