Kick-ass search not so kick-ass

Hi,

I'm using JIRA 5.1.6 + GH 6.1.6. The issue I'm encountering is that if I access a Rapid Board's planning mode and try to click on a "View in issue navigator" link I'm taken to this "Kick-ass" search page that displays some issues though they don't have anything to do with the issues that should in fact be there. In the upper right I have the "take me back to the old navigator" link though clicking on it I'm taken to the normal issue navigator (but again no sign of the issues I'm interested in).

This for sure seems like a bug or a half-baked feature so could you please have a look at this?

Thanks,
Petru