Cmd+3 (shortcut "Hide") won't work anymore

Hi Guys,

In my Adobe InDesign CS6 I had Cmd+3 (3 on the numeric keypad on the right) setup as shortcut for Hide. Although it is setup to work like that, just as Cmd+" (the 3 on the top numeric keypad) , only Cmd+" works, and Cmd+3 doesn't anymore ever since I have Adobe InDesign CC.

Before you ask: yes, Cmd+3 is still set up in the Keyboard Shortcuts!