Warning แบบนี้หมายความว่าอะไรคะ และต้องแก้ไขอย่างไร?

struct record
        {
            public int x;
            public string name;
           
        };
        static void Main(string[] args)
        {
            record[] data1 = new record[5];

            int[] score;
            int x;
            string name;
            score = new int[5];

            Console.Write("Employee.............\n");
            Console.WriteLine();

            for (int n = 1; n < score.Length; n++)
            {
                Console.Write("Enter name[" + n + "] :");
                name = Console.ReadLine();
            
                Console.Write("Enter age[" + n + "] :");
                x = int.Parse(Console.ReadLine());

            }
                Console.WriteLine();
                Console.WriteLine("Output...\n");
                Console.Read();