Interstitial blocking game in ios

[nboy1]

hi again,
when i show the interstitial on IOS " and i click it or close it" i can't play the game any more like if the touch doesn't work any more or like if there is a layer above all can't let my fingers touch the scene.
but on android everything work fine.
thank you.

[nboy1]

is it a bug or did i miss something please someone answer me, i didn't submit my game because of this error.
thank you very much for your help