thanks a lot for your helps. i have resolved the problem of solpart.
i m searching how resolve the other error :
2016-07-01 10:12:29,264 [archos-PC][Thread:11][ERROR] DotNetNuke.Framework.Reflection - DotNetNuke.Modules.Survey.SurveyBusinessController
System.Web.HttpException (0x80004005): Could not load type 'DotNetNuke.Modules.Survey.SurveyBusinessController'.
at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throw , Boolean ignoreCase)
at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2016-07-01 10:12:29,322 [archos-PC][Thread:11][ERROR] DotNetNuke.Services.Exceptions.Exceptions - System.ArgumentNullException: Value cannot be null.
Parameter name: type
at System.Activator.CreateInstance(Type type, Boolean nonPublic)
at System.Activator.CreateInstance(Type type)
at DotNetNuke.UI.Skins.Pane.IsVesionableModule(ModuleInfo moduleInfo)
at DotNetNuke.UI.Skins.Pane.InjectModule(ModuleInfo module)
at DotNetNuke.UI.Skins.Skin.InjectModule(Pane pane, ModuleInfo module)
thank you very much.