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

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

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

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

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

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

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

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

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