Mercado Pago - error gradle

gistfile1.txt

   Mercado pago :
   implementation ('com.mercadopago.android.px:checkout:4.+') 
   https://github.com/mercadopago/px-android
   
   Error:
   Duplicate value for resource 'attr/labelVisibilityMode' with config 'DEFAULT' and product 
   
   Fix :
   build.gradle
  
     defaultConfig {
        applicationId "com.emedinaa.mercadopagoapp"
        minSdkVersion 21
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        vectorDrawables.useSupportLibrary = true

    }
    
   Manifest
   
   <application
        android:allowBackup="false"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.MercadoPagoApp"
        tools:replace="android:appComponentFactory"
        android:appComponentFactory="androidx">