java.lang.VerifyError

[zerowhiteU]

When I open my icon pack I get this error, it only happens in signed apks. I think the problem started when I updated Android Studio

Manufacturer : Sony
Model : SGP311
Product : SGP311
Screen Resolution : 1200 x 1848 pixels
Android Version : 5.1.1
App Version : 5.9
CandyBar Version : 3.5.0-b4
Crash Time : 2019-06-26 01:04:22
Class Name : java.lang.VerifyError
Caused By : java.lang.VerifyError: Verifier rejected class com.pluscubed.recyclerfastscroll.RecyclerFastScroller due to bad method void com.pluscubed.recyclerfastscroll.RecyclerFastScroller.b() (declaration of 'com.pluscubed.recyclerfastscroll.RecyclerFastScroller' appears in /data/app/com.iconpack-1/base.apk)

java.lang.reflect.Constructor.newInstance(Native Method)
java.lang.reflect.Constructor.newInstance(Constructor.java:288)
android.view.LayoutInflater.createView(LayoutInflater.java:607)
uk.co.chrisjenx.calligraphy.CalligraphyLayoutInflater.createCustomViewInternal(SourceFile:9)
uk.co.chrisjenx.calligraphy.CalligraphyLayoutInflater.access$000(SourceFile:1)
uk.co.chrisjenx.calligraphy.CalligraphyLayoutInflater$PrivateWrapperFactory2.onCreateView(SourceFile:3)
android.view.LayoutInflater$FactoryMerger.onCreateView(LayoutInflater.java:177)
android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:733)
android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
android.view.LayoutInflater.inflate(LayoutInflater.java:504)
uk.co.chrisjenx.calligraphy.CalligraphyLayoutInflater.inflate(SourceFile:2)
android.view.LayoutInflater.inflate(LayoutInflater.java:414)
b.e.a.a.a.d.o.onCreateView(SourceFile:1)
android.support.v4.app.Fragment.performCreateView(SourceFile:4)
android.support.v4.app.FragmentManagerImpl.moveToState(SourceFile:62)
android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(SourceFile:6)
android.support.v4.app.FragmentManagerImpl.moveToState(SourceFile:148)
android.support.v4.app.BackStackRecord.executeOps(SourceFile:24)
android.support.v4.app.FragmentManagerImpl.executeOps(SourceFile:6)
android.support.v4.app.FragmentManagerImpl.executeOpsTogether(SourceFile:14)
android.support.v4.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(SourceFile:10)
android.support.v4.app.FragmentManagerImpl.execSingleAction(SourceFile:5)
android.support.v4.app.BackStackRecord.commitNowAllowingStateLoss(SourceFile:2)
android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(SourceFile:2)
android.support.v4.view.ViewPager.populate(SourceFile:51)
android.support.v4.view.ViewPager.populate(SourceFile:1)
android.support.v4.view.ViewPager.setAdapter(SourceFile:29)
b.e.a.a.a.d.n$a.a(SourceFile:31)
b.e.a.a.a.d.n$a.onPostExecute(SourceFile:1)
android.os.AsyncTask.finish(AsyncTask.java:636)
android.os.AsyncTask.access$500(AsyncTask.java:177)
android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:653)
android.os.Handler.dispatchMessage(Handler.java:102)
android.os.Looper.loop(Looper.java:211)
android.app.ActivityThread.main(ActivityThread.java:5389)
java.lang.reflect.Method.invoke(Native Method)
java.lang.reflect.Method.invoke(Method.java:372)
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1020)
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815)