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

Dereference of a possibly null reference.

Possible null reference argument for parameter 'value' in 'XAttribute.XAttribute(XName name, object value)'.

Possible null reference argument for parameter 'value' in 'XAttribute.XAttribute(XName name, object value)'.

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

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

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

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.