메서드가 없습니다. 'System.Web.Http.Controllers.ServicesContainer

Question

VS2012에서 webAPI를 사용하여 경로를 등록하려고합니다. GlobalConfiguration.Configuration.Routes에서 아래 오류가 발생했습니다. 누군가 이걸로 나를 도울 수 있습니까? 당신이 System.Web.Http.Common.dll 조립이 필요한 것처럼

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Server Error in '/' Application. 
Method not found: 'System.Web.Http.Controllers.ServicesContainer 
System.Web.Http.HttpConfiguration.get_Services()'. 
Description: An unhandled exception occurred during the execution of the current web request.  
Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.MissingMethodException: Method not found: 'System.Web.Http.Controllers.ServicesContainer System.Web.Http.HttpConfiguration.get_Services()'. 

Source Error: 

An unhandled exception was generated during the execution of the current web request.  
Information regarding the origin and location of the exception can be identified using the  
exception stack trace below. 

Answer 1

는 소리.