Bug Report: Sort by most recently added

When I'm adding cards and hit the link to sort by most reticently added, I get the following error message:

Requested Range Not Satisfiable

None of the range-specifier values in the Range request-header field overlap the current extent of the selected resource.

Apache Server at deckbox.org Port 80

Note: I mostly use Chrome as my browser.  Feature previously worked fine until the last few days.