Unsure on this error

public class Program
    {
        public static void Main(string[] args)
        {
            gameArt desertTraverler = new( File.ReadLines("/home/samms/RiderProjects/Ridingbikesinplaces/Ridingbikesinplaces/gameArt.txt").Skip(0).Take(39) ); 
            desertTraverler.writeArt();

{
        private IEnumerable<string> _artFile;

        public void writeArt()
        {
            foreach (string line in _artFile)
            {
                Console.WriteLine(line);
            }
        }
        public gameArt(IEnumerable<string> art)
        {
            art = _artFile;
        }

    }