Replacing ublogsy v3.0.1 to v3.0.2.

i get this error below when i try installing 3.0.2.

I am using umbraco webforms v6.2.2

[NullReferenceException: Object reference not set to an instance of an object.]
   Umbraco.Core.Services.<>c__DisplayClass40.<DictionaryValueIsNew>b__3f(IDictionaryTranslation t) in d:\Dev\Umbraco6\src\Umbraco.Core\Services\PackagingService.cs:822
   System.Linq.Enumerable.All(IEnumerable`1 source, Func`2 predicate) +140
   Umbraco.Core.Services.PackagingService.DictionaryValueIsNew(IEnumerable`1 translations, XElement valueElement) in d:\Dev\Umbraco6\src\Umbraco.Core\Services\PackagingService.cs:821
   Umbraco.Core.Services.<>c__DisplayClass3d.<GetAndUpdateDictionaryItem>b__3c(XElement v) in d:\Dev\Umbraco6\src\Umbraco.Core\Services\PackagingService.cs:801
   System.Linq.WhereEnumerableIterator`1.MoveNext() +139
   Umbraco.Core.Services.PackagingService.GetAndUpdateDictionaryItem(String key, XElement dictionaryItemElement, List`1 languages) in d:\Dev\Umbraco6\src\Umbraco.Core\Services\PackagingService.cs:801
   Umbraco.Core.Services.PackagingService.ImportDictionaryItem(XElement dictionaryItemElement, List`1 languages, Nullable`1 parentId) in d:\Dev\Umbraco6\src\Umbraco.Core\Services\PackagingService.cs:787
   Umbraco.Core.Services.PackagingService.ImportDictionaryItems(XElement dictionaryItemElementList, List`1 languages, Nullable`1 parentId) in d:\Dev\Umbraco6\src\Umbraco.Core\Services\PackagingService.cs:775
   Umbraco.Core.Services.PackagingService.ImportDictionaryItems(XElement dictionaryItemElementList) in d:\Dev\Umbraco6\src\Umbraco.Core\Services\PackagingService.cs:768
   umbraco.cms.businesslogic.packager.Installer.InstallBusinessLogic(Int32 packageId, String tempDir) +876
   umbraco.presentation.developer.packages.Installer.ProcessInstall(String currentStep) +208
   umbraco.presentation.developer.packages.Installer.Page_Load(Object sender, EventArgs e) +425
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +92
   umbraco.BasePages.BasePage.OnLoad(EventArgs e) +14
   System.Web.UI.Control.LoadRecursive() +54
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772