Unable to find the requested .Net Framework Data Provider.

다음과 같은 오류가 발생한다면?

Unable to find the requested .Net Framework Data Provider.  It may not be installed. 
  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.ArgumentException: Unable to find the requested .Net Framework Data Provider.  It may not be installed.

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.  

Stack Trace: 

[ArgumentException: Unable to find the requested .Net Framework Data Provider.  It may not be installed.]
   System.Data.Common.DbProviderFactories.GetFactory(String providerInvariantName) +109
   System.Data.Entity.Internal.LazyInternalConnection.TryInitializeFromAppConfig(String name) +468
   System.Data.Entity.Internal.LazyInternalConnection.Initialize() +70
   System.Data.Entity.Internal.LazyInternalConnection.get_ConnectionHasModel() +16
   System.Data.Entity.Internal.LazyInternalContext.InitializeContext() +226
   System.Data.Entity.Internal.InternalContext.Initialize() +21
   System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType(Type entityType) +20
   System.Data.Entity.Internal.Linq.InternalSet`1.Initialize() +92
   System.Data.Entity.Internal.Linq.InternalSet`1.get_InternalContext() +21
   System.Data.Entity.Infrastructure.DbQuery`1.System.Linq.IQueryable.get_Provider() +44
   System.Linq.Queryable.OrderByDescending(IQueryable`1 source, Expression`1 keySelector) +81
   MvcMusicStore.Controllers.HomeController.GetTopSellingAlbums(Int32 count)
   MvcMusicStore.Controllers.HomeController.Index()
   lambda_method(Closure , ControllerBase , Object[] ) +79
   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +249
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +39
   ...[생략]...

...[생략]...
  <connectionStrings>
    <add name="MusicStoreEntities"
     connectionString="Data Source=|DataDirectory|MvcMusicStore.sdf"
     providerName="System.Data.SqlServerCe.4.0"/>
  </connectionStrings>  
...[생략]...

Microsoft® SQL Server® Compact 4.0 SP1
; https://www.microsoft.com/en-us/download/details.aspx?id=30709

[SqlCeException (0x80004005): Access to the database file is not allowed. [ 1914,File name = C:\MvcStore\App_Data\MvcMusicStore.sdf,SeCreateFile ]]
   System.Data.SqlServerCe.SqlCeConnection.Open(Boolean silent) +2288
   System.Data.SqlServerCe.SqlCeConnection.Open() +510
   System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) +70

[EntityException: The underlying provider failed on Open.]
   System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) +261
   System.Data.EntityClient.EntityConnection.Open() +135
   System.Data.Objects.ObjectContext.EnsureConnection() +84
   System.Data.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) +71
   System.Data.Objects.ObjectQuery`1.System.Collections.Generic.IEnumerable<T>.GetEnumerator() +49
   System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source) +220
   System.Linq.Queryable.FirstOrDefault(IQueryable`1 source) +314
   System.Data.Entity.Internal.InternalContext.QueryForModelHash() +242
   System.Data.Entity.Internal.InternalContext.CompatibleWithModel(Boolean throwIfNoMetadata) +106
   System.Data.Entity.DropCreateDatabaseIfModelChanges`1.InitializeDatabase(TContext context) +305
   System.Data.Entity.Internal.InternalContext.PerformInitializationAction(Action action) +64

[DataException: An exception occurred while initializing the database. See the InnerException for details.]
   System.Data.Entity.Internal.InternalContext.PerformInitializationAction(Action action) +152
   System.Data.Entity.Internal.InternalContext.PerformDatabaseInitialization() +182
   System.Data.Entity.Internal.RetryAction`1.PerformAction(TInput input) +193
   System.Data.Entity.Internal.LazyInternalContext.InitializeDatabaseAction(Action`1 action) +217
   System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType(Type entityType) +20
   System.Data.Entity.Internal.Linq.InternalSet`1.Initialize() +92
   System.Data.Entity.Internal.Linq.InternalSet`1.get_InternalContext() +21
   System.Data.Entity.Infrastructure.DbQuery`1.System.Linq.IQueryable.get_Provider() +44
   System.Linq.Queryable.OrderByDescending(IQueryable`1 source, Expression`1 keySelector) +81
   MvcMusicStore.Controllers.HomeController.GetTopSellingAlbums(Int32 count)
   MvcMusicStore.Controllers.HomeController.Index()
   lambda_method(Closure , ControllerBase , Object[] ) +79
   ...[생략]...