Resharper bug

gistfile1.cs

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            var sellers = new string[2, 2];
            sellers[1, 1] = Seller.Amazon.ToString();
            Console.Write(Verify(sellers));
            Console.ReadLine();
        }
        static bool Verify(string[,] sellers)
        {
            //resharper suggestion here: Loop can be converted into LINQ-expression.
            //but after conversion unable to compile code
            foreach (string seller in sellers)
                if (seller == Seller.Amazon.ToString()) return true;

            return false;
        }
    }

    public enum Seller
    {
        Wallmart,
        Amazon
    }
}