Possible null reference assignment.

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

Possible null reference assignment.

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

Possible null reference assignment.

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

Possible null reference argument for parameter 'stream' in 'XDocument XDocument.Load(Stream stream)'.

Possible null reference assignment.

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