RevMob crashes when ad closed

Question

I have two UIViewControllers. On first One i have an UIButton which calls the second viewController. When I'm on secondViewController the RevMob ads shows.

[[RevMobAds session] showFullscreen];

If i press "x" button on the corner of the add, i mean to Close this add, the app goes to FirstViewController and that UIButton which calls the secondViewController DOESN'T WORK ANYMORE.

This happens on iOS 5 on Simulator and Device. on iOS 6 works great.

Please help me, I contacted RevMob but they didn't answer.

Answer 1

The version 5.9.1 says on the change log that this issue is solved.