I hope someone has seen this behavior before.  We move to SCS a month ago, things have gone pretty well.   A customer called this morning and said that he was unable to view an item on our site.  He sent me the URL and he was at a search results page.  He said that when he clicked this particular item it sent him to a blank screen and the tab title was NOT ALLOWED.  So I logged in and tried the same thing and lo and behold had the same result.  I tried every other item on that same search