Is ChartBoost working (no ads at all)?

Hi, is Chartboost working for anyone.

I always get

Mar  3 20:21:52 chrisi6 CoronaViewer-master[1044] <Warning>: type=interstitial

Mar  3 20:21:52 chrisi6 CoronaViewer-master[1044] <Warning>: name=chartboost

Mar  3 20:21:52 chrisi6 CoronaViewer-master[1044] <Warning>: phase=failed

Mar  3 20:21:52 chrisi6 CoronaViewer-master[1044] <Warning>: info=Error 6: No ad received

Mar  3 20:21:52 chrisi6 CoronaViewer-master[1044] <Warning>: location=Default

Mar  3 20:21:52 chrisi6 CoronaViewer-master[1044] <Warning>: response=failed

no ad received … i thought maybe because im in germany, so i made vpn USA and other places.

NO AD AT ALL, the whole day… i guess thats wrong !

Thanks

chris