namespace Could not be found in Global.asax

hi

    It is working good in localhost but wheni hosted in server it throws error like below.

error throwing in Glabal.asax file

Compiler Error Message: CS0246: The type or namespace name 'ProfileCommon' could not be found (are you missing a using directive or an assembly reference?) Source Error:

Line 38:     void Profile_OnMigrateAnonymous(object sender, ProfileMigrateEventArgs e)
Line 39:     {
Line 40: ProfileCommon anonymousProfile = Profile.GetProfile(e.AnonymousID); Line 41:         if (anonymousProfile.SCart != null)
Line 42:         {

Source File: d:\hosting\9110253\html\Test\Global.asax    Line: 40