title: App won't run under Android Studio 2.0, after upgrading from 1.5
body: <p>I recently upgraded my Android Studio from 1.5 to 2.0. My app would build and run nicely on Android 1.5. Now, when I try run the app on my smartphone, it gives me this error: </p>
  
  <pre><code>Error:Execution failed for task ':app:transformClassesWithInstantRunForDebug'.
  &gt; 24
  </code></pre>
  
  <p>When opening my project on Android Studio 2.0, a message box appeared, telling me to upgrade my gradle to version 2, which I did. I am not sure why I am getting this error. </p>
  
  <p>Here is the output I get as I try to run the app on my phone: </p>
  
  <pre><code>Executing tasks: [clean, :app:generateDebugSources, :app:mockableAndroidJar, :app:prepareDebugUnitTestDependencies, :app:generateDebugAndroidTestSources, :app:compileDebugSources, :app:compileDebugUnitTestSources, :app:compileDebugAndroidTestSources]
  Configuration on demand is an incubating feature.
  Incremental java compilation is an incubating feature.
  :clean UP-TO-DATE
  :app:clean
  :app:preBuild UP-TO-DATE
  :app:preDebugBuild UP-TO-DATE
  :app:checkDebugManifest
  :app:preReleaseBuild UP-TO-DATE
  :app:prepareComAndroidSupportAnimatedVectorDrawable2321Library
  :app:prepareComAndroidSupportAppcompatV72321Library
  :app:prepareComAndroidSupportCardviewV72321Library
  :app:prepareComAndroidSupportDesign2321Library
  :app:prepareComAndroidSupportMediarouterV72300Library
  :app:prepareComAndroidSupportRecyclerviewV72321Library
  :app:prepareComAndroidSupportSupportV42321Library
  :app:prepareComAndroidSupportSupportVectorDrawable2321Library
  :app:prepareComGoogleAndroidGmsPlayServices840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAds840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAnalytics840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAppindexing840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAppinvite840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAppstate840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAuth840Library
  :app:prepareComGoogleAndroidGmsPlayServicesBase840Library
  :app:prepareComGoogleAndroidGmsPlayServicesBasement840Library
  :app:prepareComGoogleAndroidGmsPlayServicesCast840Library
  :app:prepareComGoogleAndroidGmsPlayServicesDrive840Library
  :app:prepareComGoogleAndroidGmsPlayServicesFitness840Library
  :app:prepareComGoogleAndroidGmsPlayServicesGames840Library
  :app:prepareComGoogleAndroidGmsPlayServicesGcm840Library
  :app:prepareComGoogleAndroidGmsPlayServicesIdentity840Library
  :app:prepareComGoogleAndroidGmsPlayServicesLocation840Library
  :app:prepareComGoogleAndroidGmsPlayServicesMaps840Library
  :app:prepareComGoogleAndroidGmsPlayServicesMeasurement840Library
  :app:prepareComGoogleAndroidGmsPlayServicesNearby840Library
  :app:prepareComGoogleAndroidGmsPlayServicesPanorama840Library
  :app:prepareComGoogleAndroidGmsPlayServicesPlus840Library
  :app:prepareComGoogleAndroidGmsPlayServicesSafetynet840Library
  :app:prepareComGoogleAndroidGmsPlayServicesVision840Library
  :app:prepareComGoogleAndroidGmsPlayServicesWallet840Library
  :app:prepareComGoogleAndroidGmsPlayServicesWearable840Library
  :app:prepareDebugDependencies
  :app:compileDebugAidl
  :app:compileDebugRenderscript
  :app:generateDebugBuildConfig
  :app:generateDebugAssets UP-TO-DATE
  :app:mergeDebugAssets
  :app:generateDebugResValues UP-TO-DATE
  :app:generateDebugResources
  :app:mergeDebugResources
  :app:processDebugManifest
  :app:processDebugResources
  :app:generateDebugSources
  :app:mockableAndroidJar
  :app:preDebugUnitTestBuild UP-TO-DATE
  :app:prepareDebugUnitTestDependencies
  :app:preDebugAndroidTestBuild UP-TO-DATE
  :app:prepareDebugAndroidTestDependencies
  :app:compileDebugAndroidTestAidl
  :app:processDebugAndroidTestManifest
  :app:compileDebugAndroidTestRenderscript
  :app:generateDebugAndroidTestBuildConfig
  :app:generateDebugAndroidTestAssets UP-TO-DATE
  :app:mergeDebugAndroidTestAssets
  :app:generateDebugAndroidTestResValues UP-TO-DATE
  :app:generateDebugAndroidTestResources
  :app:mergeDebugAndroidTestResources
  :app:processDebugAndroidTestResources
  :app:generateDebugAndroidTestSources
  :app:compileDebugJavaWithJavac
  Note: Some input files use or override a deprecated API.
  Note: Recompile with -Xlint:deprecation for details.
  
  :app:compileDebugNdk UP-TO-DATE
  :app:compileDebugSources
  :app:compileDebugUnitTestJavaWithJavac
  :app:processDebugJavaRes UP-TO-DATE
  :app:processDebugUnitTestJavaRes UP-TO-DATE
  :app:compileDebugUnitTestSources
  :app:compileDebugAndroidTestJavaWithJavac
  :app:compileDebugAndroidTestNdk UP-TO-DATE
  :app:compileDebugAndroidTestSources
  
  BUILD SUCCESSFUL
  
  Total time: 1 mins 31.987 secs
  Executing tasks: [:app:clean, :app:generateDebugSources, :app:mockableAndroidJar, :app:prepareDebugUnitTestDependencies, :app:generateDebugAndroidTestSources, :app:assembleDebug]
  
  Configuration on demand is an incubating feature.
  Incremental java compilation is an incubating feature.
  :app:clean
  :app:preBuild UP-TO-DATE
  :app:preDebugBuild UP-TO-DATE
  :app:checkDebugManifest
  :app:preReleaseBuild UP-TO-DATE
  :app:prepareComAndroidSupportAnimatedVectorDrawable2321Library
  :app:prepareComAndroidSupportAppcompatV72321Library
  :app:prepareComAndroidSupportCardviewV72321Library
  :app:prepareComAndroidSupportDesign2321Library
  :app:prepareComAndroidSupportMediarouterV72300Library
  :app:prepareComAndroidSupportRecyclerviewV72321Library
  :app:prepareComAndroidSupportSupportV42321Library
  :app:prepareComAndroidSupportSupportVectorDrawable2321Library
  :app:prepareComGoogleAndroidGmsPlayServices840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAds840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAnalytics840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAppindexing840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAppinvite840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAppstate840Library
  :app:prepareComGoogleAndroidGmsPlayServicesAuth840Library
  :app:prepareComGoogleAndroidGmsPlayServicesBase840Library
  :app:prepareComGoogleAndroidGmsPlayServicesBasement840Library
  :app:prepareComGoogleAndroidGmsPlayServicesCast840Library
  :app:prepareComGoogleAndroidGmsPlayServicesDrive840Library
  :app:prepareComGoogleAndroidGmsPlayServicesFitness840Library
  :app:prepareComGoogleAndroidGmsPlayServicesGames840Library
  :app:prepareComGoogleAndroidGmsPlayServicesGcm840Library
  :app:prepareComGoogleAndroidGmsPlayServicesIdentity840Library
  :app:prepareComGoogleAndroidGmsPlayServicesLocation840Library
  :app:prepareComGoogleAndroidGmsPlayServicesMaps840Library
  :app:prepareComGoogleAndroidGmsPlayServicesMeasurement840Library
  :app:prepareComGoogleAndroidGmsPlayServicesNearby840Library
  :app:prepareComGoogleAndroidGmsPlayServicesPanorama840Library
  :app:prepareComGoogleAndroidGmsPlayServicesPlus840Library
  :app:prepareComGoogleAndroidGmsPlayServicesSafetynet840Library
  :app:prepareComGoogleAndroidGmsPlayServicesVision840Library
  :app:prepareComGoogleAndroidGmsPlayServicesWallet840Library
  :app:prepareComGoogleAndroidGmsPlayServicesWearable840Library
  :app:prepareDebugDependencies
  :app:compileDebugAidl
  :app:compileDebugRenderscript
  :app:generateDebugBuildConfig
  :app:generateDebugAssets UP-TO-DATE
  :app:mergeDebugAssets
  :app:generateDebugResValues UP-TO-DATE
  :app:generateDebugResources
  :app:mergeDebugResources
  :app:processDebugManifest
  :app:processDebugResources
  :app:generateDebugSources
  :app:mockableAndroidJar UP-TO-DATE
  :app:preDebugUnitTestBuild UP-TO-DATE
  :app:prepareDebugUnitTestDependencies
  :app:preDebugAndroidTestBuild UP-TO-DATE
  :app:prepareDebugAndroidTestDependencies
  :app:compileDebugAndroidTestAidl
  :app:processDebugAndroidTestManifest
  :app:compileDebugAndroidTestRenderscript
  :app:generateDebugAndroidTestBuildConfig
  :app:generateDebugAndroidTestAssets UP-TO-DATE
  :app:mergeDebugAndroidTestAssets
  :app:generateDebugAndroidTestResValues UP-TO-DATE
  :app:generateDebugAndroidTestResources
  :app:mergeDebugAndroidTestResources
  :app:processDebugAndroidTestResources
  :app:generateDebugAndroidTestSources
  :app:compileDebugJavaWithJavac
  Note: Some input files use or override a deprecated API.
  Note: Recompile with -Xlint:deprecation for details.
  
  :app:compileDebugNdk UP-TO-DATE
  :app:compileDebugSources
  :app:buildInfoDebugLoader
  :app:transformClassesWithExtractJarsForDebug
  :app:transformClassesWithInstantRunVerifierForDebug
  :app:transformClassesWithJavaResourcesVerifierForDebug
  :app:mergeDebugJniLibFolders
  :app:transformNative_libsWithMergeJniLibsForDebug
  :app:processDebugJavaRes UP-TO-DATE
  :app:transformResourcesWithMergeJavaResForDebug
  :app:transformResourcesAndNative_libsWithJavaResourcesVerifierForDebug UP-TO-DATE
  :app:transformClassesWithInstantRunForDebug FAILED
  
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:transformClassesWithInstantRunForDebug'.
  &gt; 24
  
  * Try:
  </code></pre>