[URGENT] The Class File Viewer cannot handle the given input ERROR in eclipse

[OwnAgePau]

Hi guys, i tried adding this folding plugin for eclipse called Coffee Bytes, it worked fine earlier today, but now i tried opening my project again and suddenly i get this error log:

 

org.eclipse.core.runtime.CoreException: The Class File Viewer cannot handle the given input ('org.eclipse.ui.ide.FileStoreEditorInput').

at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.doSetInput(ClassFileEditor.java:652)

at org.eclipse.ui.texteditor.AbstractTextEditor$19.run(AbstractTextEditor.java:3200)

at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)

at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372)

at org.eclipse.jface.window.ApplicationWindow$1.run(ApplicationWindow.java:759)

at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)

at org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:756)

at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2649)

at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3218)

at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3245)

at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:828)

at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:647)

at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)

at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)

at org.eclipse.ui.internal.EditorAreaHelper.setVisibleEditor(EditorAreaHelper.java:271)

at org.eclipse.ui.internal.EditorManager.setVisibleEditor(EditorManager.java:1459)

at org.eclipse.ui.internal.EditorManager$5.runWithException(EditorManager.java:972)

at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)

at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)

at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)

at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757)

at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)

at org.eclipse.ui.internal.Workbench$33.runWithException(Workbench.java:1600)

at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)

at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)

at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)

at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757)

at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2609)

at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)

at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)

at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)

at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)

at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)

at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)

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:344)

at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)

at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)

at org.eclipse.equinox.launcher.Main.run(Main.java:1410)

at org.eclipse.equinox.launcher.Main.main(Main.java:1386)

 

 

 

I hope anyone knows how to fix this.. Please help