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org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find com.android.support.constraint:constraint-layout:1.0.0-alpha3.
Required by:
    myproject-android:app:unspecified	at org.gradle.internal.resolve.result.DefaultBuildableComponentResolveResult.notFound(DefaultBuildableComponentResolveResult.java:38)	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.RepositoryChainComponentMetaDataResolver.resolveModule(RepositoryChainComponentMetaDataResolver.java:88)	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.RepositoryChainComponentMetaDataResolver.resolve(RepositoryChainComponentMetaDataResolver.java:59)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.ComponentResolversChain$ComponentMetaDataResolverChain.resolve(ComponentResolversChain.java:80)	at org.gradle.api.internal.artifacts.ivyservice.clientmodule.ClientModuleResolver.resolve(ClientModuleResolver.java:44)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphBuilder$ModuleVersionResolveState.resolve(DependencyGraphBuilder.java:560)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphBuilder$ModuleVersionResolveState.getMetaData(DependencyGraphBuilder.java:570)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphBuilder$DependencyEdge.calculateTargetConfigurations(DependencyGraphBuilder.java:256)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphBuilder$DependencyEdge.attachToTargetConfigurations(DependencyGraphBuilder.java:230)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphBuilder.traverseGraph(DependencyGraphBuilder.java:137)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphBuilder.resolve(DependencyGraphBuilder.java:75)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DefaultArtifactDependencyResolver$1.execute(DefaultArtifactDependencyResolver.java:88)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DefaultArtifactDependencyResolver$1.execute(DefaultArtifactDependencyResolver.java:78)	at org.gradle.internal.Transformers$4.transform(Transformers.java:137)	at org.gradle.api.internal.artifacts.ivyservice.DefaultIvyContextManager.withIvy(DefaultIvyContextManager.java:61)	at org.gradle.api.internal.artifacts.ivyservice.DefaultIvyContextManager.withIvy(DefaultIvyContextManager.java:39)	at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DefaultArtifactDependencyResolver.resolve(DefaultArtifactDependencyResolver.java:78)	at org.gradle.api.internal.artifacts.ivyservice.CacheLockingArtifactDependencyResolver$1.run(CacheLockingArtifactDependencyResolver.java:41)	at org.gradle.internal.Factories$1.create(Factories.java:22)	at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:192)	at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:175)	at org.gradle.cache.internal.DefaultPersistentDirectoryStore.useCache(DefaultPersistentDirectoryStore.java:106)	at org.gradle.cache.internal.DefaultCacheFactory$ReferenceTrackingCache.useCache(DefaultCacheFactory.java:187)	at org.gradle.api.internal.artifacts.ivyservice.DefaultCacheLockingManager.useCache(DefaultCacheLockingManager.java:64)	at org.gradle.api.internal.artifacts.ivyservice.CacheLockingArtifactDependencyResolver.resolve(CacheLockingArtifactDependencyResolver.java:39)	at org.gradle.api.internal.artifacts.ivyservice.DefaultConfigurationResolver.resolve(DefaultConfigurationResolver.java:91)	at org.gradle.api.internal.artifacts.ivyservice.SelfResolvingDependencyConfigurationResolver.resolve(SelfResolvingDependencyConfigurationResolver.java:40)	at org.gradle.api.internal.artifacts.ivyservice.ShortCircuitEmptyConfigurationResolver.resolve(ShortCircuitEmptyConfigurationResolver.java:52)	at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingConfigurationResolver.resolve(ErrorHandlingConfigurationResolver.java:43)	at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.resolveGraphIfRequired(DefaultConfiguration.java:367)	at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.resolveNow(DefaultConfiguration.java:342)	at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.getResolvedConfiguration(DefaultConfiguration.java:335)	at com.android.build.gradle.internal.DependencyManager.collectArtifacts(DependencyManager.java:527)	at com.android.build.gradle.internal.DependencyManager.gatherDependencies(DependencyManager.java:349)	at com.android.build.gradle.internal.DependencyManager.resolveDependencyForConfig(DependencyManager.java:268)	at com.android.build.gradle.internal.DependencyManager.resolveDependencies(DependencyManager.java:155)	at com.android.build.gradle.internal.TaskManager.resolveDependencies(TaskManager.java:357)	at com.android.build.gradle.internal.VariantManager$9.call(VariantManager.java:630)	at com.android.build.gradle.internal.VariantManager$9.call(VariantManager.java:627)	at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:55)	at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:47)	at com.android.build.gradle.internal.profile.SpanRecorders.record(SpanRecorders.java:51)	at com.android.build.gradle.internal.VariantManager.createVariantData(VariantManager.java:626)	at com.android.build.gradle.internal.VariantManager.createVariantDataForProductFlavors(VariantManager.java:817)	at com.android.build.gradle.internal.VariantManager.populateVariantDataList(VariantManager.java:491)	at com.android.build.gradle.internal.VariantManager$1.call(VariantManager.java:268)	at com.android.build.gradle.internal.VariantManager$1.call(VariantManager.java:265)	at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:55)	at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:47)	at com.android.build.gradle.internal.VariantManager.createAndroidTasks(VariantManager.java:264)	at com.android.build.gradle.BasePlugin$11.call(BasePlugin.java:695)	at com.android.build.gradle.BasePlugin$11.call(BasePlugin.java:692)	at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:55)	at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:47)	at com.android.build.gradle.BasePlugin.createAndroidTasks(BasePlugin.java:691)	at com.android.build.gradle.BasePlugin$10.call(BasePlugin.java:617)	at com.android.build.gradle.BasePlugin$10.call(BasePlugin.java:614)	at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:55)	at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:47)	at com.android.build.gradle.BasePlugin.lambda$createTasks$1(BasePlugin.java:613)	at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:93)	at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:82)	at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:44)	at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:79)	at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:30)	at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)	at com.sun.proxy.$Proxy11.afterEvaluate(Unknown Source)	at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:67)	at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:61)	at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:510)	at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:90)	at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:47)	at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:35)	at org.gradle.initialization.DefaultGradleLauncher$2.run(DefaultGradleLauncher.java:125)	at org.gradle.internal.Factories$1.create(Factories.java:22)	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:52)	at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:122)	at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:32)	at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:99)	at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:93)	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62)	at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:93)	at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:82)	at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:94)	at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:43)	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:28)	at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:78)	at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:48)	at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:52)	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)	at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)	at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)	at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)	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:120)	at org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute(DaemonHealthTracker.java:47)	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)	at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:66)	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)	at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:72)	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)	at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(HintGCAfterBuild.java:41)	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)	at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)	at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:246)	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)	at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)