title: Entity framework power tools 4, generate view error
body: <p>When i go Include a new column in my template and when i go context to give an entityframework> generate view, it gives this error:</p>
  
  <p>-</p>
  
  <p><em>System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object.
     at MySql.Data.MySqlClient.MySqlProviderServices.GetDbProviderManifestToken(DbConnection connection)
     at System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifestToken(DbConnection connection)
     at MySql.Data.Entity.MySqlManifestTokenResolver.ResolveManifestToken(DbConnection connection)
     at System.Data.Entity.Utilities.DbConnectionExtensions.GetProviderInfo(DbConnection connection, DbProviderManifest&amp; providerManifest)
     at System.Data.Entity.DbModelBuilder.Build(DbConnection providerConnection)
     at System.Data.Entity.Internal.LazyInternalContext.CreateModel(LazyInternalContext internalContext)
     at System.Data.Entity.Internal.RetryLazy`2.GetValue(TInput input)
     at System.Data.Entity.Internal.LazyInternalContext.InitializeContext()
     at System.Data.Entity.Internal.InternalContext.ForceOSpaceLoadingForKnownEntityTypes()
     at System.Data.Entity.DbContext.System.Data.Entity.Infrastructure.IObjectContextAdapter.get_ObjectContext()
     --- End of inner exception stack trace ---
     at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
     at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
     at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
     at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)
     at CallSite.Target(Closure , CallSite , Object , String , BindingFlags , Object , Object , Object )
     at Microsoft.DbContextPackage.DbContextPackage.GetObjectContext(Object context)
     at Microsoft.DbContextPackage.Handlers.OptimizeContextHandler.OptimizeContext(Object context)</em></p>