org.gradle.api.ProjectConfigurationException: A problem occurred configuring root project 'XYZ'. at org.gradle.configuration.project.LifecycleProjectEvaluator.addConfigurationFailure(LifecycleProjectEvaluator.java:79) at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:74) at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:61) at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:470) at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:79) at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:31) at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:128) at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:105) at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:85) at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:81) at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:33) at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:24) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:39) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:29) at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:50) at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:171) at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237) at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210) at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35) at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24) at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206) at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169) at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33) at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22) at org.gradle.launcher.Main.doAction(Main.java:33) at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45) at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54) at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35) at org.gradle.launcher.GradleMain.main(GradleMain.java:23) at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:31) at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:108) at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61) Caused by: groovy.lang.MissingPropertyException: No such property: Base64 for class: org.akhikhl.unpuzzle.utils.Downloader at org.akhikhl.unpuzzle.utils.Downloader.openConnection(Downloader.groovy:102) at org.akhikhl.unpuzzle.utils.Downloader.downloadFile(Downloader.groovy:69) at org.akhikhl.unpuzzle.utils.Downloader$downloadFile.call(Unknown Source) at org.akhikhl.unpuzzle.eclipse2maven.EclipseDownloader.downloadAndUnpack(EclipseDownloader.groovy:63) at org.akhikhl.unpuzzle.eclipse2maven.EclipseDownloader$downloadAndUnpack.call(Unknown Source) at org.akhikhl.unpuzzle.Configurer.downloadEclipse(Configurer.groovy:114) at org.akhikhl.unpuzzle.Configurer$downloadEclipse$3.callCurrent(Unknown Source) at org.akhikhl.unpuzzle.Configurer.installEclipse(Configurer.groovy:149) at org.akhikhl.unpuzzle.Configurer$installEclipse$2.call(Unknown Source) at org.akhikhl.wuff.Configurer.getSelectedEclipseMavenGroup(Configurer.groovy:166) at org.akhikhl.wuff.Configurer.postConfigure(Configurer.groovy:217) at org.akhikhl.wuff.JavaConfigurer.super$2$postConfigure(JavaConfigurer.groovy) at org.akhikhl.wuff.JavaConfigurer.postConfigure(JavaConfigurer.groovy:91) at org.gradle.listener.ClosureBackedMethodInvocationDispatch.dispatch(ClosureBackedMethodInvocationDispatch.java:40) at org.gradle.listener.ClosureBackedMethodInvocationDispatch.dispatch(ClosureBackedMethodInvocationDispatch.java:25) at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:83) at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:31) at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93) at com.sun.proxy.$Proxy14.afterEvaluate(Unknown Source) at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:67) ... 30 more
How to fix the below error
org.gradle.api.ProjectConfigurationException: A problem occurred configuring root project 'XYZ'. at org.gradle.configuration.project.LifecycleProjectEvaluator.addConfigurationFailure(LifecycleProjectEvaluator.java:79) at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:74) at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:61) at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:470) at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:79) at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:31) at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:128) at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:105) at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:85) at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:81) at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:33) at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:24) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:39) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:29) at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:50) at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:171) at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237) at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210) at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35) at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24) at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206) at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169) at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33) at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22) at org.gradle.launcher.Main.doAction(Main.java:33) at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45) at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54) at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35) at org.gradle.launcher.GradleMain.main(GradleMain.java:23) at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:31) at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:108) at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61) Caused by: groovy.lang.MissingPropertyException: No such property: Base64 for class: org.akhikhl.unpuzzle.utils.Downloader at org.akhikhl.unpuzzle.utils.Downloader.openConnection(Downloader.groovy:102) at org.akhikhl.unpuzzle.utils.Downloader.downloadFile(Downloader.groovy:69) at org.akhikhl.unpuzzle.utils.Downloader$downloadFile.call(Unknown Source) at org.akhikhl.unpuzzle.eclipse2maven.EclipseDownloader.downloadAndUnpack(EclipseDownloader.groovy:63) at org.akhikhl.unpuzzle.eclipse2maven.EclipseDownloader$downloadAndUnpack.call(Unknown Source) at org.akhikhl.unpuzzle.Configurer.downloadEclipse(Configurer.groovy:114) at org.akhikhl.unpuzzle.Configurer$downloadEclipse$3.callCurrent(Unknown Source) at org.akhikhl.unpuzzle.Configurer.installEclipse(Configurer.groovy:149) at org.akhikhl.unpuzzle.Configurer$installEclipse$2.call(Unknown Source) at org.akhikhl.wuff.Configurer.getSelectedEclipseMavenGroup(Configurer.groovy:166) at org.akhikhl.wuff.Configurer.postConfigure(Configurer.groovy:217) at org.akhikhl.wuff.JavaConfigurer.super$2$postConfigure(JavaConfigurer.groovy) at org.akhikhl.wuff.JavaConfigurer.postConfigure(JavaConfigurer.groovy:91) at org.gradle.listener.ClosureBackedMethodInvocationDispatch.dispatch(ClosureBackedMethodInvocationDispatch.java:40) at org.gradle.listener.ClosureBackedMethodInvocationDispatch.dispatch(ClosureBackedMethodInvocationDispatch.java:25) at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:83) at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:31) at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93) at com.sun.proxy.$Proxy14.afterEvaluate(Unknown Source) at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:67) ... 30 more