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

Dereference of a possibly null reference.

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

Dereference of a possibly null reference.

Possible null reference return.

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

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

Possible null reference return.

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