Can't load Calendar, Reminders, Find my Phone or Pages
I login to iCloud on my macbook pro running mavericks. At the iCloud home page, when I click on Contacts, Reminders, Find my Phone and Pages, I get a message that says "Unable to load" message. I click "Report" and another page pops up that says: "There was a problem loading the application due to a possible network error or missing resources. Please try again. DETAILS: By clicking "Send to Apple you agree that apple will collect and use this info.........etc.", I then click on the "Send to Apple" button.
Can anybody help me?