title: Program type already present: com.google.android.gms.internal.measurement.zzst"
body: <p>I was trying to upgrade my android compile and target version to 27 . But the dependencies always had issue . Currently the added dependencies looks like this but still some problem persists .</p>
  
  <p>the dependencies in my gradle file looks like this.</p>
  
  <pre><code>implementation fileTree(include: ['*.jar'], dir: 'libs')
  implementation 'com.android.support:appcompat-v7:26.1.0'
  implementation 'com.google.android.gms:play-services-ads:17.1.3'
  testImplementation 'junit:junit:4.12'
  androidTestImplementation 'com.android.support.test:runner:1.0.1'
  androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
  implementation 'org.jsoup:jsoup:1.10.3'
  implementation 'com.google.firebase:firebase-core:16.0.1'
  implementation'com.google.firebase:firebase-config:16.1.0'
  </code></pre>
  
  <p>I tried modifying the gradle dependencies but that isnt helping.
  I want to upgrade the app gradle to version 27 but then still the problem persists.</p>
  
  <p>Please help!</p>