Possible errors

Plugin integration errors

Interstitial Unity Ads aren't displayed, error "Incorrect fullscreen view"

The "Incorrect fullscreen view" error may arise when launching interstitial ads on iOS. If this issue arises, make sure that you added the value YandexMobileAdsBundle.bundle under Copy Bundle Resource in the Build Phases settings. If the value is missing, add it.

Errors in Yandex mediation

Duplicate classes: "Duplicate class com.unity3d.ads.BuildConfig found in modules..."

If you have a Unity Ads module installed, the build will fail with the class duplication error:

CommandInvokationFailure: Gradle build failed.
/Applications/Unity/Hub/Editor/2021.3.6f1/PlaybackEngines/AndroidPlayer/OpenJDK/bin/java -classpath "/Applications/Unity/Hub/Editor/2021.3.6f1/PlaybackEngines/AndroidPlayer/Tools/gradle/lib/gradle-launcher-6.1.1.jar" org.gradle.launcher.GradleMain "-Dorg.gradle.jvmargs=-Xmx4096m" "assembleRelease"

stderr[
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF-8

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':launcher:checkReleaseDuplicateClasses'.
> 1 exception was raised by workers:
  java.lang.RuntimeException: Duplicate class com.unity3d.ads.BuildConfig found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.IUnityAdsInitializationListener found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.IUnityAdsLoadListener found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.IUnityAdsShowListener found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.IUnityAdsTokenListener found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.UnityAds found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.UnityAds$UnityAdsInitializationError found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.UnityAds$UnityAdsLoadError found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.UnityAds$UnityAdsShowCompletionState found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.UnityAds$UnityAdsShowError found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.UnityAdsBaseOptions found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.UnityAdsLoadOptions found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.UnityAdsShowOptions found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.metadata.InAppPurchaseMetaData found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.metadata.MediationMetaData found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
  Duplicate class com.unity3d.ads.metadata.MetaData found in modules jetified-UnityAds-runtime.jar (:UnityAds:) and jetified-com.unity3d.ads.unity-ads-4.2.1-runtime.jar (:com.unity3d.ads.unity-ads-4.2.1:)
...

To fix the error, remove the Unity Ads module (Window →Package Manager).

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