Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

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

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

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

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

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

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

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