title: How to fix "Game Crush because of java.lang.Error: FATAL EXCEPTION "?
body: <p>After I uploaded my game to the Play Store my game crashed on a device showing <code>java.lang.Error: FATAL EXCEPTION</code> The game is developed on <strong>Unity Version: 2018.3.0f2</strong>.</p>
  
  <pre><code>java.lang.Error: FATAL EXCEPTION [Thread-296]
  Unity version     : 2018.3.0f2
  Device model      : samsung SM-J600FN
  Device fingerprint: samsung/j6ltexx/j6lte:9/PPR1.180610.011/J600FNXXU3BSD2:user/release-keys
  Caused by
    at ly.b (com.google.android.gms.policy_ads_fdr_dynamite@20290003@20290003.249178941.249178941:2)
    at lx.a (com.google.android.gms.policy_ads_fdr_dynamite@20290003@20290003.249178941.249178941:1)
    at lz.a (com.google.android.gms.policy_ads_fdr_dynamite@20290003@20290003.249178941.249178941:29)
    at com.google.android.gms.ads.internal.util.aq.a (com.google.android.gms.policy_ads_fdr_dynamite@20290003@20290003.249178941.249178941:10)
    at lc.a (com.google.android.gms.policy_ads_fdr_dynamite@20290003@20290003.249178941.249178941:8)
    at lc.run (com.google.android.gms.policy_ads_fdr_dynamite@20290003@20290003.249178941.249178941:2)
  Caused by: java.lang.ClassNotFoundException: 
    at dalvik.system.BaseDexClassLoader.findClass (BaseDexClassLoader.java:134)
    at java.lang.ClassLoader.loadClass (ClassLoader.java:379)
    at ab.loadClass (com.google.android.gms.dynamite_dynamiteloader@17455079@17.4.55 (100306-248795830):4)
    at java.lang.ClassLoader.loadClass (ClassLoader.java:312)
  
  </code></pre>
  
  <p>AndroidManifest.xml</p>
  
  <pre><code>&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.google.unity.ads"
      android:versionName="1.0"
      android:versionCode="1"&gt;
    &lt;uses-sdk android:minSdkVersion="14"
        android:targetSdkVersion="19" /&gt;
    &lt;application&gt;
  
      &lt;meta-data
      android:name="com.something.something"
      android:value="something"/&gt;
  
      &lt;activity 
      android:name="com.google.android.gms.ads.AdActivity"    
      android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"/&gt;
  
    &lt;/application&gt;
  
    &lt;uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /&gt;
    &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt;
    &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
    &lt;uses-permission android:name="android.permission.WAKE_LOCK" /&gt;
  &lt;/manifest&gt;
  
  </code></pre>