我仍然是Abp.io 的新手，并且出现以下异常。我按照 Abp.io 文档中的说明进行操作。请你帮我知道我错过了什么。
2019-10-10 14:01:46.644 +03:00 [ERR] An exception was thrown while activating Castle.Proxies.ProcessesServiceProxy.
Autofac.Core.DependencyResolutionException: An exception was thrown while activating Castle.Proxies.ProcessesServiceProxy. ---> Autofac.Core.DependencyResolutionException: None of the constructors found with 'Autofac.Core.Activators.Reflection.DefaultConstructorFinder' on type 'Castle.Proxies.ProcessesServiceProxy' can be invoked with the available services and parameters:
Cannot resolve parameter 'Volo.Abp.Domain.Repositories.IRepository`2[AIL.WorkflowEngine.Processes.Process,System.Int32] repository' of constructor 'Void .ctor(Castle.DynamicProxy.IInterceptor[], Volo.Abp.Domain.Repositories.IRepository`2[AIL.WorkflowEngine.Processes.Process,System.Int32])'.
at Autofac.Core.Activators.Reflection.ReflectionActivator.GetValidConstructorBindings(IComponentContext context, IEnumerable`1 parameters) in C:\projects\autofac\src\Autofac\Core\Activators\Reflection\ReflectionActivator.cs:line 160
at Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) in C:\projects\autofac\src\Autofac\Core\Activators\Reflection\ReflectionActivator.cs:line 120
at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters, Object& decoratorTarget) in C:\projects\autofac\src\Autofac\Core\Resolving\InstanceLookup.cs:line 117 …