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

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

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

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

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

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

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

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

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