Need help loading rewards ads when they are available

4323peter

Hello,
I have been working on my game and I am trying to use reward ads. They work fine, but sometimes they do not load when the button is pressed. When the button is pressed the scene reloads and there is no ad shown. If I put the button on a delay, there is more time for the ad to load and it works more often. Is there a way to detect when there is an ad ready and make sure that the reward will work? And is there a better way to show reward ads without resetting the scene? I am using Chartboost. Thanks for the help!