❔ Cannot import another project

using PasswordManagerLibrary;

namespace PasswordManagerConsoleApp
{
    static class Program
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
        }
    }
}

namespace PasswordManagerLibrary
{
    public class Manager
    {
        public static void Trying()
        {
            Console.WriteLine("Works!");
        }
    }
}