My game stopped showing ads (logcat attached)

Hi,
thanks in advance for you all

My game was showing ads just fine in beta releases (all releases). Just three days ago I released to production since then no ads (banner and interstitial)

He is a link to logcat:

Here is my game:
https://play.google.com/store/apps/details?id=com.gamegaster.RANDOMZ

Please help me.

thanks in advance for you all