Synchronize Gradle projects with workspace failed due to an error in the referenced Gradle build.
    Could not run build action using Gradle distribution 'https://services.gradle.org/distributions/gradle-4.6-bin.zip'.

     A problem occurred configuring root project 'Endro'.
    Could not resolve all artifacts for configuration ':classpath'.
    Could not find aapt2-proto.jar (com.android.tools.build:aapt2-proto:0.3.1).
    Searched in the following locations:
    https://jcenter.bintray.com/com/android/tools/build/aapt2-proto/0.3.1/aapt2-proto-0.3.1.jar
    org.gradle.tooling.BuildException: Could not run build action using Gradle distribution 'https://services.gradle.org/distributions/gradle-4.6-bin.zip'.
	at org.gradle.tooling.internal.consumer.ExceptionTransformer.transform(ExceptionTransformer.java:51)
	at org.gradle.tooling.internal.consumer.ExceptionTransformer.transform(ExceptionTransformer.java:29)
	at org.gradle.tooling.internal.consumer.ResultHandlerAdapter.onFailure(ResultHandlerAdapter.java:41)
	at org.gradle.tooling.internal.consumer.async.DefaultAsyncConsumerActionExecutor$1$1.run(DefaultAsyncConsumerActionExecutor.java:57)
	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
	at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
	at java.base/java.lang.Thread.run(Thread.java:844)
	at org.gradle.tooling.internal.consumer.BlockingResultHandler.getResult(BlockingResultHandler.java:46)
	at org.gradle.tooling.internal.consumer.DefaultBuildActionExecuter.run(DefaultBuildActionExecuter.java:60)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.eclipse.buildship.core.workspace.internal.ConnectionAwareLauncherProxy.invokeRun(ConnectionAwareLauncherProxy.java:170)
	at org.eclipse.buildship.core.workspace.internal.ConnectionAwareLauncherProxy.invoke(ConnectionAwareLauncherProxy.java:160)
	at com.sun.proxy.$Proxy47.run(Unknown Source)
	at org.eclipse.buildship.core.workspace.internal.DefaultModelProvider$1.get(DefaultModelProvider.java:112)
	at org.eclipse.buildship.core.workspace.internal.DefaultModelProvider$3.call(DefaultModelProvider.java:142)
	at com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4724)
	at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3522)
	at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2315)
	at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2278)
	at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2193)
	at com.google.common.cache.LocalCache.get(LocalCache.java:3932)
	at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4721)
	at org.eclipse.buildship.core.workspace.internal.DefaultModelProvider.getFromCache(DefaultModelProvider.java:153)
	at org.eclipse.buildship.core.workspace.internal.DefaultModelProvider.executeOperation(DefaultModelProvider.java:138)
	at org.eclipse.buildship.core.workspace.internal.DefaultModelProvider.executeBuildActionExecuter(DefaultModelProvider.java:108)
	at org.eclipse.buildship.core.workspace.internal.DefaultModelProvider.fetchModels(DefaultModelProvider.java:78)
	at org.eclipse.buildship.core.workspace.internal.DefaultModelProvider.fetchEclipseGradleProjects(DefaultModelProvider.java:99)
	at org.eclipse.buildship.core.workspace.internal.SynchronizeGradleBuildsJob.fetchEclipseProjects(SynchronizeGradleBuildsJob.java:91)
	at org.eclipse.buildship.core.workspace.internal.SynchronizeGradleBuildsJob.synchronizeBuild(SynchronizeGradleBuildsJob.java:81)
	at org.eclipse.buildship.core.workspace.internal.SynchronizeGradleBuildsJob.runToolingApiJob(SynchronizeGradleBuildsJob.java:73)
	at org.eclipse.buildship.core.util.progress.ToolingApiJob$1.run(ToolingApiJob.java:73)
	at org.eclipse.buildship.core.util.progress.ToolingApiInvoker.invoke(ToolingApiInvoker.java:62)
	at org.eclipse.buildship.core.util.progress.ToolingApiJob.run(ToolingApiJob.java:70)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)
    Caused by: org.gradle.internal.exceptions.LocationAwareException: A problem occurred configuring root project 'Endro'.
	at org.gradle.initialization.DefaultExceptionAnalyser.transform(DefaultExceptionAnalyser.java:74)
	at org.gradle.initialization.MultipleBuildFailuresExceptionAnalyser.transform(MultipleBuildFailuresExceptionAnalyser.java:47)
	at org.gradle.initialization.StackTraceSanitizingExceptionAnalyser.transform(StackTraceSanitizingExceptionAnalyser.java:30)
	at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:143)
	at org.gradle.initialization.DefaultGradleLauncher.getConfiguredBuild(DefaultGradleLauncher.java:110)
	at org.gradle.internal.invocation.GradleBuildController$2.call(GradleBuildController.java:87)
	at org.gradle.internal.invocation.GradleBuildController$2.call(GradleBuildController.java:84)
	at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:152)
	at org.gradle.internal.invocation.GradleBuildController.doBuild(GradleBuildController.java:100)
	at org.gradle.internal.invocation.GradleBuildController.configure(GradleBuildController.java:84)
	at org.gradle.tooling.internal.provider.runner.ClientProvidedBuildActionRunner.run(ClientProvidedBuildActionRunner.java:64)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.tooling.internal.provider.ValidatingBuildActionRunner.run(ValidatingBuildActionRunner.java:32)
	at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$1.run(RunAsBuildOperationBuildActionRunner.java:43)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
	at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner.run(RunAsBuildOperationBuildActionRunner.java:40)
	at org.gradle.tooling.internal.provider.SubscribableBuildActionRunner.run(SubscribableBuildActionRunner.java:51)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:49)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:32)
	at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:39)
	at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:25)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:80)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:53)
	at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:57)
	at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:32)
	at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:36)
	at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:25)
	at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:43)
	at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:29)
	at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:64)
	at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:29)
	at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:59)
	at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:44)
	at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:45)
	at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:30)
	at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:67)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)
	at org.gradle.util.Swapper.swap(Swapper.java:38)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:62)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:82)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)
	at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:295)
	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
	at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
	at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
    Caused by: org.gradle.api.ProjectConfigurationException: A problem occurred configuring root project 'Endro'.
	at org.gradle.configuration.project.LifecycleProjectEvaluator.addConfigurationFailure(LifecycleProjectEvaluator.java:94)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.doConfigure(LifecycleProjectEvaluator.java:66)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.access$100(LifecycleProjectEvaluator.java:34)
	at org.gradle.configuration.project.LifecycleProjectEvaluator$ConfigureProject.run(LifecycleProjectEvaluator.java:110)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:50)
	at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:667)
	at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:136)
	at org.gradle.execution.TaskPathProjectEvaluator.configure(TaskPathProjectEvaluator.java:35)
	at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:60)
	at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:38)
	at org.gradle.initialization.DefaultGradleLauncher$ConfigureBuild.run(DefaultGradleLauncher.java:261)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
	at org.gradle.initialization.DefaultGradleLauncher.configureBuild(DefaultGradleLauncher.java:173)
	at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:132)
	... 62 more
    Caused by: org.gradle.api.internal.artifacts.ivyservice.DefaultLenientConfiguration$ArtifactResolveException: Could not resolve all artifacts for configuration ':classpath'.
	at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.rethrowFailure(DefaultConfiguration.java:944)
	at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.access$1600(DefaultConfiguration.java:120)
	at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration$ConfigurationArtifactCollection.ensureResolved(DefaultConfiguration.java:1285)
	at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration$ConfigurationArtifactCollection.getArtifacts(DefaultConfiguration.java:1257)
	at org.gradle.composite.internal.CompositeBuildClassPathInitializer.execute(CompositeBuildClassPathInitializer.java:42)
	at org.gradle.composite.internal.CompositeBuildClassPathInitializer.execute(CompositeBuildClassPathInitializer.java:29)
	at org.gradle.api.internal.initialization.DefaultScriptClassPathResolver.resolveClassPath(DefaultScriptClassPathResolver.java:37)
	at org.gradle.api.internal.initialization.DefaultScriptHandler.getScriptClassPath(DefaultScriptHandler.java:72)
	at org.gradle.plugin.use.internal.DefaultPluginRequestApplicator.defineScriptHandlerClassScope(DefaultPluginRequestApplicator.java:204)
	at org.gradle.plugin.use.internal.DefaultPluginRequestApplicator.applyPlugins(DefaultPluginRequestApplicator.java:82)
	at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.apply(DefaultScriptPluginFactory.java:184)
	at org.gradle.configuration.BuildOperationScriptPlugin$1.run(BuildOperationScriptPlugin.java:61)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
	at org.gradle.configuration.BuildOperationScriptPlugin.apply(BuildOperationScriptPlugin.java:58)
	at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:41)
	at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:26)
	at org.gradle.configuration.project.ConfigureActionsProjectEvaluator.evaluate(ConfigureActionsProjectEvaluator.java:34)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.doConfigure(LifecycleProjectEvaluator.java:64)
	... 81 more
    Caused by: org.gradle.internal.resolve.ArtifactNotFoundException: Could not find aapt2-proto.jar (com.android.tools.build:aapt2-proto:0.3.1).
    Searched in the following locations:
    https://jcenter.bintray.com/com/android/tools/build/aapt2-proto/0.3.1/aapt2-proto-0.3.1.jar
	at org.gradle.internal.resolve.result.DefaultBuildableArtifactResolveResult.notFound(DefaultBuildableArtifactResolveResult.java:27)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.CachingModuleComponentRepository$LocateInCacheRepositoryAccess.resolveArtifactFromCache(CachingModuleComponentRepository.java:342)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.CachingModuleComponentRepository$LocateInCacheRepositoryAccess.resolveArtifact(CachingModuleComponentRepository.java:293)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.ErrorHandlingModuleComponentRepository$ErrorHandlingModuleComponentRepositoryAccess.resolveArtifact(ErrorHandlingModuleComponentRepository.java:181)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.RepositoryChainArtifactResolver.resolveArtifact(RepositoryChainArtifactResolver.java:78)
	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.DefaultArtifactSet$LazyArtifactSource.create(DefaultArtifactSet.java:170)
	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.DefaultArtifactSet$LazyArtifactSource.create(DefaultArtifactSet.java:157)
	at org.gradle.api.internal.artifacts.DefaultResolvedArtifact.getFile(DefaultResolvedArtifact.java:135)
	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ArtifactBackedResolvedVariant$DownloadArtifactFile.run(ArtifactBackedResolvedVariant.java:148)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.access$900(DefaultBuildOperationExecutor.java:63)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$ParentPreservingQueueWorker.execute(DefaultBuildOperationExecutor.java:378)
	at org.gradle.internal.operations.DefaultBuildOperationQueue$WorkerRunnable.runOperation(DefaultBuildOperationQueue.java:230)
	at org.gradle.internal.operations.DefaultBuildOperationQueue$WorkerRunnable.access$600(DefaultBuildOperationQueue.java:172)
	at org.gradle.internal.operations.DefaultBuildOperationQueue$WorkerRunnable$1.call(DefaultBuildOperationQueue.java:209)
	at org.gradle.internal.operations.DefaultBuildOperationQueue$WorkerRunnable$1.call(DefaultBuildOperationQueue.java:203)
	at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:152)
	at org.gradle.internal.operations.DefaultBuildOperationQueue$WorkerRunnable.runBatch(DefaultBuildOperationQueue.java:202)
	at org.gradle.internal.operations.DefaultBuildOperationQueue$WorkerRunnable.run(DefaultBuildOperationQueue.java:177)
	... 3 more