title: Error:Gradle: Execution failed for task ':app:crashlyticsCleanupResourcesDebug'. > Crashlytics Developer Tools error
body: <p>I have this mainActivity</p>
  
  <pre><code>public class MainActivity extends RoboFragmentActivity {
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          Crashlytics.start(this);
          //setContentView(R.layout.activity_main);
  
          Intent intent = new Intent(this, MainActivity_with_Fragment.class);
          startActivity(intent);
          finish();
      }
  }
  </code></pre>
  
  <p>this is my gradle.build</p>
  
  <pre><code>buildscript {
      repositories {
          jcenter()
          maven { url 'http://download.crashlytics.com/maven' }
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:0.14.2'
          classpath 'com.crashlytics.tools.gradle:crashlytics-gradle:1.+'
      }
  }
  apply plugin: 'com.android.application'
  apply plugin: 'crashlytics'
  
  repositories {
      jcenter()
      maven { url 'http://download.crashlytics.com/maven' }
  }
  
  android {
      compileSdkVersion 19
      buildToolsVersion "19.1.0"
  
      defaultConfig {
          applicationId "com.example.stopcall.app"
          minSdkVersion 14
          targetSdkVersion 19
          versionCode 1
          versionName "1.0"
      }
  
      compileOptions {
          sourceCompatibility JavaVersion.VERSION_1_7
          targetCompatibility JavaVersion.VERSION_1_7
      }
      buildTypes {
          release {
              runProguard false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
      lintOptions {
          abortOnError false
      }
  }
  
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      compile 'com.android.support:support-v4:21.0.3'
      compile 'org.roboguice:roboguice:3.+'
      provided 'org.roboguice:roboblender:3.+'
      compile 'com.crashlytics.android:crashlytics:1.+'
  }
  </code></pre>
  
  <p>When I run project build I get this compilation error:</p>
  
  <pre><code>Error:Gradle: Execution failed for task ':app:crashlyticsCleanupResourcesDebug'.
  &gt; Crashlytics Developer Tools error.
  </code></pre>
  
  <p>how can I fix this?</p>