Android Question error Admob mediation with inMobi

Registo conectado a: 9DLDU1730200
** Activity (main) Resume **
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
*** Service (firebasemessaging) Create ***
** Service (firebasemessaging) Start **
java.lang.NullPointerException: Attempt to invoke virtual method 'void java.util.concurrent.atomic.AtomicBoolean.set(boolean)' on a null object reference
at com.inmobi.rendering.a.c$b$1$1.onPageFinished(ClickManager.java:349)
at xH.c(SourceFile:222)
at ayK.handleMessage(SourceFile:72)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:156)
at android.app.ActivityThread.main(ActivityThread.java:6523)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:941)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:831)

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#Region  Project Attributes
    #ApplicationLabel:Simulador
    #VersionCode: 235
    #VersionName: 2.3.5
    'SupportedOrientations possible values: unspecified, landscape or portrait.
    #SupportedOrientations: portrait
    #CanInstallToExternalStorage: False
    #AdditionalJar: libadapterinmobi
    #AdditionalJar: InMobi-5.3.1
    #AdditionalJar: picasso-2.0.0
#End Region

#Extends: android.support.v7.app.AppCompatActivity


'#AdditionalJar: libadapterinmobi
'#AdditionalJar: InMobi-1


#Region  Activity Attributes
    #FullScreen: False
    #IncludeTitle: True
#End Region

#BridgeLogger : True