Problem navigating between pages in "iWork Pages" with VoiceOver

I'm having a problem navigating between my documents pages in "iWork pages", the VoiceOver cursor just keep stuck between 2 pages and I can't advance any furter, changing the grouping behavior to ignore the groups in the VoiceOver utility seems to fix this, but with that, the navigation is more complicated, this problem is a bug in iWork Pages or something?

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