New Post: How to generate views for EF6 with EDMX ?

I want to try both version ad measure the impact.
but still i'm not able to generate views with PowerTools Beta 4 : (i added devart references and provider on app.config)

System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Data.Entity.Core.MetadataException: Schema specified is not valid. Errors:
OnWMS.edmx(5,8) : error 0152: No Entity Framework provider found for the ADO.NET provider with invariant name 'Devart.Data.Oracle'. Make sure the provider is registered in the 'entityFramework' section of the application config file. See http://go.microsoft.com/fwlink/?LinkId=260882 for more information.
at System.Data.Entity.Core.Metadata.Edm.StoreItemCollection.Loader.ThrowOnNonWarningErrors()
at System.Data.Entity.Core.Metadata.Edm.StoreItemCollection.Loader.LoadItems(IEnumerable1 xmlReaders, IEnumerable1 sourceFilePaths)
at System.Data.Entity.Core.Metadata.Edm.StoreItemCollection.Loader..ctor(IEnumerable1 xmlReaders, IEnumerable1 sourceFilePaths, Boolean throwOnError, IDbDependencyResolver resolver)
at System.Data.Entity.Core.Metadata.Edm.StoreItemCollection.Init(IEnumerable1 xmlReaders, IEnumerable1 filePaths, Boolean throwOnError, IDbDependencyResolver resolver, DbProviderManifest& providerManifest, DbProviderFactory& providerFactory, String& providerInvariantName, String& providerManifestToken, Memoizer2& cachedCTypeFunction)
at System.Data.Entity.Core.Metadata.Edm.StoreItemCollection..ctor(IEnumerable1 xmlReaders)
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark)
at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
at System.Activator.CreateInstance(Type type, Object[] args)
at Microsoft.DbContextPackage.Utilities.EdmxUtility.GetMappingCollectionEF6(Assembly ef6Assembly, String& containerName)
at Microsoft.DbContextPackage.Handlers.OptimizeContextHandler.OptimizeEdmx(String inputPath)