We upgraded from 2013 SP1 to Web 8. While calling Blueprint Hierarchy from CME we are getting this error
"/WebUI/Models/TCM54/Services/Blueprinting.svc/GetBlueprintHierarchy failed to execute. STATUS (500): System.ServiceModel.ServiceActivationException".
The full error log in event detail is as follows :
WebHost failed to process a request.
Sender Information: System.ServiceModel.ServiceHostingEnvironment+HostingManager/15510466
Exception: System.ServiceModel.ServiceActivationException: The service '/WebUI/Models/TCM54/Services/Blueprinting.svc' cannot be activated due to an exception during compilation. The exception message is: The contract name 'Tridion.Web.UI.Models.TCM54.Blueprinting' could not be found in the list of contracts implemented by the service 'Blueprinting'.. ---> System.InvalidOperationException: The contract name 'Tridion.Web.UI.Models.TCM54.Blueprinting' could not be found in the list of contracts implemented by the service 'Blueprinting'.
at System.ServiceModel.Description.ConfigLoader.LookupContract(String contractName, String serviceName)
at System.ServiceModel.Description.ConfigLoader.LoadServiceDescription(ServiceHostBase host, ServiceDescription description, ServiceElement serviceElement, Action`1 addBaseAddress, Boolean skipHost)
at System.ServiceModel.ServiceHostBase.LoadConfigurationSectionInternal(ConfigLoader configLoader, ServiceDescription description, ServiceElement serviceSection)
at System.ServiceModel.ServiceHost.ApplyConfiguration()
at System.ServiceModel.ServiceHostBase.InitializeDescription(UriSchemeKeyedCollection baseAddresses)
at System.ServiceModel.ServiceHost..ctor(Type serviceType, Uri[] baseAddresses)
at System.ServiceModel.Activation.ServiceHostFactory.CreateServiceHost(Type serviceType, Uri[] baseAddresses)
at System.ServiceModel.Activation.ServiceHostFactory.CreateServiceHost(String constructorString, Uri[] baseAddresses)
at System.ServiceModel.ServiceHostingEnvironment.HostingManager.CreateService(String normalizedVirtualPath, EventTraceActivity eventTraceActivity)
at System.ServiceModel.ServiceHostingEnvironment.HostingManager.ActivateService(ServiceActivationInfo serviceActivationInfo, EventTraceActivity eventTraceActivity)
at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath, EventTraceActivity eventTraceActivity)
--- End of inner exception stack trace ---
at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath, EventTraceActivity eventTraceActivity)
at System.ServiceModel.ServiceHostingEnvironment.EnsureServiceAvailableFast(String relativeVirtualPath, EventTraceActivity eventTraceActivity)