VPP Migration Tool 7.5 Error

I am trying To migrate VPP folder for site in Version 8.1 ..

My episerverFraemwork is as below

name="ProtectedModules" type="EPiServer.Web.Hosting.VirtualPathNonUnifiedProvider, EPiServer.Framework" />












type="EPiServer.Security.MappedRole, EPiServer" />


type="EPiServer.Security.MappedRole, EPiServer.Framework" />





name="maxmind" type="EPiServer.Personalization.Providers.MaxMind.GeolocationProvider, EPiServer.ApplicationModules" />

.I get the following error

Converting VPP: SitePageFiles
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass11.<>c__DisplayClass13.b__10() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 181
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Converting VPP: SiteGlobalFiles
Converting files in /Global/ [425]
Converting folders in /Global/ [425]
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass18.<>c__DisplayClass1a.b__17() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 209
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass18.<>c__DisplayClass1a.b__17() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 209
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass18.<>c__DisplayClass1a.b__17() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 209
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Method not found: 'EPiServer.Core.ILanguageSelector EPiServer.Core.NullLanguageSelector.get_Instance()'.
   at VppMigrationTool.Util.VppConverter.CreateSubFolder[T](ContentReference parentReference, String folderName, AccessControlList accessControlList, Guid ownerGuid)
   at VppMigrationTool.Util.VppConverter.<>c__DisplayClass18.<>c__DisplayClass1a.b__17() in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 209
   at VppMigrationTool.Util.VppConverter.ExecuteWithHandleException(VirtualPathUnifiedProvider provider, Action a) in d:\Builds\132\EPiServerCMS Modules\VppMigrationTool\Sources\C\TFS\VppMigrationTool\Util\VppConverter.cs:line 226
Converting VPP: SiteDocuments
Converting files in /Documents/ [425]
Converting folders in /Documents/ [425]
No EPiServer Find stores to convert found
Done
Directories: 35
Files: 0
ContentFolders: 0
FileContent: 0
Blobs: 0
VirtualPathProvider named 'SiteGlobalFiles' had failures during conversion and is leaved in site config
VirtualPathProvider named 'SitePageFiles' had failures during conversion and is leaved in site config
VirtualPathProvider named 'SiteDocuments' was successfully converted and removed from site config>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>