crash - app crashes when launching intestitial or reward ad about flutter-appodeal HOT 2 OPEN

Similar issue, but only after publication to Google Play!
PLEASE HELP!!!!

java.lang.RuntimeException:
at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:3308)
at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3457)
at android.app.servertransaction.LaunchActivityItem.execute (LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks (TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute (TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage (ActivityThread.java:2044)
at android.os.Handler.dispatchMessage (Handler.java:107)
at android.os.Looper.loop (Looper.java:224)
at android.app.ActivityThread.main (ActivityThread.java:7562)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:539)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:950)
Caused by: java.lang.RuntimeException:
at java.lang.Enum.enumValues (Enum.java:270)
at java.lang.Enum.access$000 (Enum.java:61)
at java.lang.Enum$1.create (Enum.java:277)
at java.lang.Enum$1.create (Enum.java:275)
at libcore.util.BasicLruCache.get (BasicLruCache.java:63)
at java.lang.Enum.getSharedConstants (Enum.java:289)
at java.lang.Enum.valueOf (Enum.java:243)
at java.io.ObjectInputStream.readEnum (ObjectInputStream.java:1841)
at java.io.ObjectInputStream.readObject0 (ObjectInputStream.java:1409)
at java.io.ObjectInputStream.readObject (ObjectInputStream.java:427)
at android.os.Parcel.readSerializable (Parcel.java:3142)
at android.os.Parcel.readSerializable (Parcel.java:3112)
at com.explorestack.iab.vast.VastRequest. (VastRequest.java:67)
at com.explorestack.iab.vast.VastRequest$6.createFromParcel (VastRequest.java:2)
at android.os.Parcel.readParcelable (Parcel.java:2976)
at android.os.Parcel.readValue (Parcel.java:2869)
at android.os.Parcel.readArrayMapInternal (Parcel.java:3252)
at android.os.BaseBundle.initializeFromParcelLocked (BaseBundle.java:292)
at android.os.BaseBundle.unparcel (BaseBundle.java:236)
at android.os.Bundle.getParcelable (Bundle.java:951)
at android.content.Intent.getParcelableExtra (Intent.java:7953)
at com.explorestack.iab.vast.activity.VastActivity.onCreate (VastActivity.java:27)
at android.app.Activity.performCreate (Activity.java:7893)
at android.app.Activity.performCreate (Activity.java:7880)
at android.app.Instrumentation.callActivityOnCreate (Instrumentation.java:1307)
at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:3283)
at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3457)
at android.app.servertransaction.LaunchActivityItem.execute (LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks (TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute (TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage (ActivityThread.java:2044)
at android.os.Handler.dispatchMessage (Handler.java:107)
at android.os.Looper.loop (Looper.java:224)
at android.app.ActivityThread.main (ActivityThread.java:7562)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:539)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:950)
Caused by: java.lang.NoSuchMethodException:
at java.lang.Class.getMethod (Class.java:2072)
at java.lang.Class.getDeclaredMethod (Class.java:2050)
at java.lang.Enum.enumValues (Enum.java:267)
at java.lang.Enum.access$000 (Enum.java:61)
at java.lang.Enum$1.create (Enum.java:277)
at java.lang.Enum$1.create (Enum.java:275)
at libcore.util.BasicLruCache.get (BasicLruCache.java:63)
at java.lang.Enum.getSharedConstants (Enum.java:289)
at java.lang.Enum.valueOf (Enum.java:243)
at java.io.ObjectInputStream.readEnum (ObjectInputStream.java:1841)
at java.io.ObjectInputStream.readObject0 (ObjectInputStream.java:1409)
at java.io.ObjectInputStream.readObject (ObjectInputStream.java:427)
at android.os.Parcel.readSerializable (Parcel.java:3142)
at android.os.Parcel.readSerializable (Parcel.java:3112)
at com.explorestack.iab.vast.VastRequest. (VastRequest.java:67)
at com.explorestack.iab.vast.VastRequest$6.createFromParcel (VastRequest.java:2)
at android.os.Parcel.readParcelable (Parcel.java:2976)
at android.os.Parcel.readValue (Parcel.java:2869)
at android.os.Parcel.readArrayMapInternal (Parcel.java:3252)
at android.os.BaseBundle.initializeFromParcelLocked (BaseBundle.java:292)
at android.os.BaseBundle.unparcel (BaseBundle.java:236)
at android.os.Bundle.getParcelable (Bundle.java:951)
at android.content.Intent.getParcelableExtra (Intent.java:7953)
at com.explorestack.iab.vast.activity.VastActivity.onCreate (VastActivity.java:27)
at android.app.Activity.performCreate (Activity.java:7893)
at android.app.Activity.performCreate (Activity.java:7880)
at android.app.Instrumentation.callActivityOnCreate (Instrumentation.java:1307)
at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:3283)
at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3457)
at android.app.servertransaction.LaunchActivityItem.execute (LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks (TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute (TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage (ActivityThread.java:2044)
at android.os.Handler.dispatchMessage (Handler.java:107)
at android.os.Looper.loop (Looper.java:224)
at android.app.ActivityThread.main (ActivityThread.java:7562)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:539)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:950)

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After learning the problem! I found out that the problem is related to the BidMachine AD network

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