title: Error : Program type already present: android.support.design.widget.CoordinatorLayout$Behavior in Android Studio
body: <pre><code>dependencies {
      implementation fileTree(dir: 'libs', include: ['*.jar'])
      implementation 'com.android.support:appcompat-v7:27.1.1'
      implementation 'com.android.support.constraint:constraint-layout:1.1.2'
      implementation 'com.android.support:design:27.0.2'
      implementation 'com.android.support:support-vector-drawable:27.1.1'
      testImplementation 'junit:junit:4.12'
      androidTestImplementation 'com.android.support.test:runner:1.0.2'
      androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
  }
  </code></pre>
  
  <p>I have an error in the 2nd implementation with appcompat. I haven't succeded in solving it.</p>