How to add a leadbolt ad?

Kreator Camp Ads
#1

I tried every tutorial, it doesn’t work for me.
I get this error:
Attempt to invoke virtual method ‘android.net.NetworkInfo android.net.ConnectivityManager.getActiveNetworkInfo()’ on a null object reference
Note: You will not see another error reported for 5 seconds.

#2

Can you show the blocks?

#3

Screenshot_1

#6

@Victor_Palagniuc which other components are you using?

#7

Screenshot_3