title: Error:Execution failed for task ':app:transformClassesWithJarMergingForDebug'. > error
body: <p>Please help me to find a solution on this error.. When I build my project I got an error like this </p>
  
  <pre><code>Error:Execution failed for task ':app:transformClassesWithJarMergingForDebug'.
  &gt; com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: com/google/android/gms/internal/zzbq.class
  </code></pre>
  
  <p>Please check ones my build.gradle(App level) file... Please give me a hint to move farword </p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 25
      buildToolsVersion "23.0.2"
  
      defaultConfig {
          applicationId "com.realmilk.app.new"
          minSdkVersion 15
          targetSdkVersion 25
          versionCode 6
          versionName "1.0.6"
          multiDexEnabled true
      }
      buildTypes {
          release {
              minifyEnabled true
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      compile project(':volley')
      compile project(':materialviewpager')
      compile 'com.android.support:appcompat-v7:23.4.0'
      compile 'com.android.support:design:23.4.0'
      compile 'com.android.support:cardview-v7:23.4.0'
      compile 'com.android.support:recyclerview-v7:23.4.0'
      compile 'com.android.support:support-v4:23.4.0'
      compile 'io.github.yavski:fab-speed-dial:1.0.3'
      compile 'com.wdullaer:materialdatetimepicker:2.2.0'
      compile 'com.jaredrummler:material-spinner:1.0.5'
      compile 'it.neokree:MaterialTabs:0.11'
      compile 'com.github.siyamed:android-shape-imageview:0.9.+@aar'
      compile 'me.tatarka.support:jobscheduler:0.1.1'
      compile 'com.google.android.gms:play-services-auth:9.2.1'
      compile 'com.github.bumptech.glide:glide:3.7.0'
      compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha2'
      compile 'com.google.android.gms:play-services-analytics:8.1.0'
      testCompile 'junit:junit:4.12'
  }
  </code></pre>
  
  <p>Please give me your valuable suggestions... Thanks</p>