'HttpResponseException.Message' hides inherited member 'Exception.Message'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword.

Cannot convert null literal to non-nullable reference type.

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

Non-nullable property 'PhoneNumber' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'FullName' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

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

Non-nullable property 'PhoneNumber' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'FullName' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Password' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.