MoPub SDK Version : 5.18.0
Android Studio Version : 2020.3.1
Gradle Version : 7.0.0
Device model and OS Version : android, any model and version
Ad Unit IDs used in reproducing the issue : Interstitial
Steps to reproduce the behavior : Crash produced in only my firebase crashlytics that put my App in bad behaviour.
Crash Log :
Fatal Exception: java.lang.RuntimeException Unable to start activity ComponentInfo{com.../com.mopub.mobileads.MoPubFullscreenActivity}: java.lang.ClassCastException: l8.o cannot be cast to java.lang.Comparable
Caused by java.lang.ClassCastException: l8.o cannot be cast to java.lang.Comparable at java.util.ComparableTimSort.countRunAndMakeAscending(ComparableTimSort.java:320) at java.util.ComparableTimSort.sort(ComparableTimSort.java:188) at java.util.Arrays.sort(Arrays.java:1302) at java.util.Arrays.sort(Arrays.java:1485) at java.util.ArrayList.sort(ArrayList.java:1470) at java.util.Collections.sort(Collections.java:206) at java.util.Collections.sort(Collections.java:159) at kotlin.collections.CollectionsKt__MutableCollectionsJVMKt.sort(CollectionsKt__MutableCollectionsJVMKt.java:31) at com.mopub.mobileads.VastVideoConfig.addFractionalTrackers(VastVideoConfig.kt:223) at com.mopub.mobileads.VastVideoViewProgressRunnable.(VastVideoViewProgressRunnable.kt:79) at com.mopub.mobileads.VastVideoViewController.(VastVideoViewController.kt:306) at com.mopub.mobileads.FullscreenAdController.createVideoViewController(FullscreenAdController.java:350) at com.mopub.mobileads.FullscreenAdController.(FullscreenAdController.java:219) at com.mopub.mobileads.MoPubFullscreenActivity.onCreate(MoPubFullscreenActivity.java:73) at android.app.Activity.performCreate(Activity.java:8142) at android.app.Activity.performCreate(Activity.java:8114) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3565) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3752) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2178) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:236) at android.app.ActivityThread.main(ActivityThread.java:8051) at java.lang.reflect.Method.invoke(Method.java) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:620) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1011)