一个 ASP.NET Core 2.1 的站点，日志中有大量下面的错误：
System.InvalidOperationException: No service for type 'Microsoft.AspNetCore.Mvc.ViewFeatures.ViewResultExecutor' has been registered. at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType) at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
请问如何解决？