1: Yes I’m follow the instruction completely done.
2: i switch to 4.17 for just testing but same error . seems 4.17 is better to manager the error beacause this time i get this error about facebook:
AAR Dependency file C:\Users\Sepinood\Desktop\GalaxyRacers\Plugins\UniversalMobileAds\Source\UniversalMobileAds....\Source\ThirdParty\AndroidRepository\m2repository\com\facebook\ads\audience-network-sdk\4.24.0\audience-network-sdk-4.24.0.pom.com.google.android.exoplayer.exoplayer version unknown
3: adcolony still crashed in startup.