IncompatibleClassChangeError Getting error. Please do need full. Thanks

[androiddev2019]

java.lang.IncompatibleClassChangeError: Class 'com.miraclehen.monkey.MonkeyActivity' does not implement interface 'androidx.lifecycle.LifecycleOwner' in call to 'androidx.lifecycle.Lifecycle androidx.lifecycle.LifecycleOwner.getLifecycle()' (declaration of 'androidx.lifecycle.LiveData' appears in /data/app/com.planoly.storiesedit-2/split_lib_dependencies_apk.apk)
at androidx.lifecycle.LiveData.observe(LiveData.java:172)
at androidx.loader.app.LoaderManagerImpl$LoaderInfo.setCallback(LoaderManagerImpl.java:100)
at androidx.loader.app.LoaderManagerImpl.createAndInstallLoader(LoaderManagerImpl.java:400)
at androidx.loader.app.LoaderManagerImpl.initLoader(LoaderManagerImpl.java:421)
at com.miraclehen.monkey.model.AlbumCollection.loadAlbums(AlbumCollection.java:102)
at com.miraclehen.monkey.MonkeyActivity.loadAlbums(MonkeyActivity.java:173)
at com.miraclehen.monkey.MonkeyActivity.requestReadStoragePermission(MonkeyActivity.java:618)
at com.miraclehen.monkey.MonkeyActivity.onCreate(MonkeyActivity.java:168)
at android.app.Activity.performCreate(Activity.java:6857)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2676)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2784)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1523)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:163)
at android.app.ActivityThread.main(ActivityThread.java:6238)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:794)