When I build project through unreal engine it shows following error

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1

What went wrong:
UATHelper: Packaging (Android (ETC2)): Could not determine the dependencies of task ‘:app:processDebugResources’.
UATHelper: Packaging (Android (ETC2)): > Could not resolve all task dependencies for configuration ‘:app:debugRuntimeClasspath’.
UATHelper: Packaging (Android (ETC2)): > Could not resolve com.google.android.gms:play-services-audience:[17.0.0].
UATHelper: Packaging (Android (ETC2)): Required by:
UATHelper: Packaging (Android (ETC2)): project :app > com.google.android.gms:play-services-plus:17.0.0
UATHelper: Packaging (Android (ETC2)): > Failed to list versions for com.google.android.gms:play-services-audience.
UATHelper: Packaging (Android (ETC2)): > Unable to load Maven meta-data from https://chartboostmobile.bintray.com/Chartboost/com/google/android/gms/play-services-audience/maven-metadata.xml.
UATHelper: Packaging (Android (ETC2)): > Could not get resource ‘https://chartboostmobile.bintray.com/Chartboost/com/google/android/gms/play-services-audience/maven-metadata.xml’.
UATHelper: Packaging (Android (ETC2)): > Could not GET ‘https://chartboostmobile.bintray.com/Chartboost/com/google/android/gms/play-services-audience/maven-metadata.xml’. Received status code 502 from server: Bad Gatew

2

if you use Easy Ads Pro, update it to the lates version.

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how can I update it?