I am having a similar problem. I have Standard Wiki Flavor installed (and am running v10.10 of XWiki). When I go to the Notification Macro page ( i.e. http:///bin/view/XWiki/Notifications/Code/Macro/NotificationsMacro), I get the message:
“…The requested page could not be found…”
If I compute the differences for the Standard Flavor install, I did find the following messages related to Notification, i.e. seems like NotificationMacro was deleted:
"
…
Computing differences for [Notifications Application 10.10] on namespace [Home]
Computing differences for document [Home » XWiki » Notifications » MailTemplate]
The document [Home » XWiki » Notifications » MailTemplate] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » Translations]
The document [Home » XWiki » Notifications » Code » Translations] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » XWikiUserNotificationsSheet]
The document [Home » XWiki » Notifications » Code » XWikiUserNotificationsSheet] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationsApplicationsPreferencesMacro]
The document [Home » XWiki » Notifications » Code » NotificationsApplicationsPreferencesMacro] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationsPreferencesMacros]
The document [Home » XWiki » Notifications » Code » NotificationsPreferencesMacros] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationAdministration]
The document [Home » XWiki » Notifications » Code » NotificationAdministration] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » Translations]
The document [Home » XWiki » Notifications » Code » Translations] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » EmailJobClass]
The document [Home » XWiki » Notifications » Code » EmailJobClass] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » WebHome]
The document [Home » XWiki » Notifications » Code » WebHome] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationFilterPreferenceLivetableResults]
The document [Home » XWiki » Notifications » Code » NotificationFilterPreferenceLivetableResults] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » Translations]
The document [Home » XWiki » Notifications » Code » Translations] has no changes
Computing differences for document [Home » XWiki » Notifications » WebHome]
The document [Home » XWiki » Notifications » WebHome] has no changes
Computing differences for document [Home » Scheduler » NotificationEmailDailySender]
The document [Home » Scheduler » NotificationEmailDailySender] has no changes
Computing differences for document [Home » Scheduler » NotificationEmailWeeklySender]
The document [Home » Scheduler » NotificationEmailWeeklySender] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationsAutoWatchPreferencesMacro]
The document [Home » XWiki » Notifications » Code » NotificationsAutoWatchPreferencesMacro] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationsDisplayerUIX]
The document [Home » XWiki » Notifications » Code » NotificationsDisplayerUIX] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationRSSService]
The document [Home » XWiki » Notifications » Code » NotificationRSSService] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » Translations]
The document [Home » XWiki » Notifications » Code » Translations] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationsFiltersPreferencesMacro]
The document [Home » XWiki » Notifications » Code » NotificationsFiltersPreferencesMacro] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » Translations]
The document [Home » XWiki » Notifications » Code » Translations] has been deleted
Computing differences for document [Home » Scheduler » NotificationEmailHourlySender]
The document [Home » Scheduler » NotificationEmailHourlySender] has [1] changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationsEmailPreferencesMacro]
The document [Home » XWiki » Notifications » Code » NotificationsEmailPreferencesMacro] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » NotificationPreferenceService]
The document [Home » XWiki » Notifications » Code » NotificationPreferenceService] has no changes
Computing differences for [Notifications Macro 10.10] on namespace [Home]
Computing differences for document [Home » XWiki » Notifications » Code » Macro » Translations]
The document [Home » XWiki » Notifications » Code » Macro » Translations] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » Macro » Translations]
The document [Home » XWiki » Notifications » Code » Macro » Translations] has been deleted
Computing differences for document [Home » XWiki » Notifications » Code » Macro » Translations]
The document [Home » XWiki » Notifications » Code » Macro » Translations] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » Macro » Translations]
The document [Home » XWiki » Notifications » Code » Macro » Translations] has no changes
Computing differences for document [Home » XWiki » Notifications » Code » Macro » NotificationsMacro]
The document [Home » XWiki » Notifications » Code » Macro » NotificationsMacro] has been deleted
Computing differences for [XWiki Platform - Annotations - UI 10.10] on namespace [Home
…
"