I'll point out that I had a related (though not identical) report that said a recent Sage was upgrading all worksheets automatically - which, as far as I know, it is not yet.
See also the probably unrelated https://groups.google.com/forum/#!topic/sage-support/BWGh6raFKpU but at any rate 7.2 may have some issues in notebook deployment. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
