Quick fix no longer work

java.lang.NoClassDefFoundError: org/eclipse/jdt/internal/corext/refactoring/util/RefactoringFileBuffers
    at org.ucdetector.quickfix.AbstractUCDQuickFix.run(AbstractUCDQuickFix.java:139)
    at org.eclipse.jdt.internal.ui.text.correction.proposals.MarkerResolutionProposal.apply(MarkerResolutionProposal.java:55)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup._insertProposal(CompletionProposalPopup.java:1004)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.insertProposal(CompletionProposalPopup.java:1012)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.insertSelectedProposalWithMask(CompletionProposalPopup.java:951)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.verifyKey(CompletionProposalPopup.java:1395)
    at org.eclipse.jface.text.contentassist.ContentAssistant$InternalListener.verifyKey(ContentAssistant.java:829)
    at org.eclipse.jface.text.TextViewer$VerifyKeyListenersManager.verifyKey(TextViewer.java:480)
    at org.eclipse.swt.custom.StyledTextListener.handleEvent(StyledTextListener.java:68)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5855)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1529)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1555)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1538)
    at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1316)
    at org.eclipse.swt.custom.StyledText.handleKeyDown(StyledText.java:5742)
    at org.eclipse.swt.custom.StyledText.lambda$28(StyledText.java:5426)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5855)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1529)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1555)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1538)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1577)
    at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:937)
    at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:4049)
    at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:931)
    at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2507)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:6883)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:6162)
    at org.eclipse.swt.internal.gtk3.GTK3.gtk_main_do_event(Native Method)
    at org.eclipse.swt.widgets.Display.eventProc(Display.java:1598)
    at org.eclipse.swt.internal.gtk3.GTK3.gtk_main_iteration_do(Native Method)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4514)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1151)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1042)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:152)
    at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:639)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:546)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:143)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:109)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:439)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:271)
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    at java.base/java.lang.reflect.Method.invoke(Method.java:580)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
Caused by: java.lang.ClassNotFoundException: org.eclipse.jdt.internal.corext.refactoring.util.RefactoringFileBuffers cannot be found by org.ucdetector_2.0.0
    ... 53 more