이클립스에서안드로이드 프로젝트 새로 생성하려는데 되질 않고 에러가 계속 뜹니다.

There is no handler to execute for command org.eclipse.ui.newWizard 라는 메시지랑

스택 추적이

org.eclipse.core.commands.NotHandledException: There is no handler to execute for command org.eclipse.ui.newWizard
 at org.eclipse.core.commands.Command.executeWithChecks(Command.java:485)
 at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
 at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
 at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241)
 at org.eclipse.ui.internal.actions.CommandAction.runWithEvent(CommandAction.java:157)
 at org.eclipse.ui.internal.actions.CommandAction.run(CommandAction.java:171)
 at org.eclipse.ui.actions.NewWizardDropDownAction.run(NewWizardDropDownAction.java:182)
 at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
 at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
 at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
 at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionContributionItem.java:452)
 at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
 at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
 at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
 at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
 at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
 at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
 at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:597)
 at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
 at org.eclipse.equinox.launcher.Main.main(Main.java:1384)

이렇게 뜨는데요.

이외에 Source Provider 'org.eclipse.ui.internal.~~~~~~~~ 해서 여러가지 에러가 나왔어요.

한 일주일 전에 할 때는 잘됬는데 오랜만에 켜서 하려니까 새로 작성하기도 안되네요.

스크린샷 찍어서 첨부할게요.