Csharp 错误CS1061'；AuthenticationBuilder'；不包含AddOpenIdConnect的定义

项目.Net 8

IConfiguration configuration = new ConfigurationBuilder()
    .AddJsonFile("appsettings.json")
    .Build();

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddControllersWithViews();

builder.Services.AddDbContext<StudentDataContext>(options =>
options.UseSqlServer(configuration.GetConnectionString("SecurityWebAppConnectionStrings")));


builder.Services.AddAuthorization(options =>
{
    options.AddPolicy("FacultyNumber",
        policy => policy.RequireClaim("FacultyNumber")
        );
});

builder.Services.AddAuthentication(options =>
{
    options.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = "oidc";
})
                .AddCookie(options =>
                {
                    options.ExpireTimeSpan = TimeSpan.FromMinutes(60);
                    options.Cookie.Name = "Cookie";
                })
                .AddOpenIdConnect("oidc", options =>
                {
                    options.Authority = "http://localhost:5000";
                    options.RequireHttpsMetadata = false;
                    options.ClientId = "RouxAcademyMVC";
                    options.SaveTokens = true;
                });


var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseStaticFiles();

app.UseRouting();

app.UseAuthentication();
app.UseAuthorization();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();

错误文本: 严重性代码说明项目文件行 suppress 状态 错误CS1061""AuthenticationBuilder""不包含""AddOpenIdConnect""的定义，并且找不到可访问的扩展方法""AddOpenIdConnect""，该方法接受类型为""AuthenticationBuilder""的第一个参数(是否缺少Using指令或程序集引用？)""SecurityWebApp.WebClient SecurityWebApp.WebClient\Program.cs 46 Active""

不管我找了多少遍，还是什么都找不到？