[Solved] After update 6.1.5-ab173825c -> 6.1.5 SWTException, Unable to open project

Update: I resolved this issue.
I updated Katalon by copying the files from the latest Katalon downloaded zip file over the previous installation files (overwriting them).
Resolved the issue by deleting the files from the previous installation and extracting the zip file in the folder.

After upgrade from Katalon Studio from a beta release to 6.1.5 i get the following error when opening the project:

Failed to execute runnable (java.lang.AbstractMethodError: com.kms.katalon.dal.fileservice.dataprovider.FolderFileServiceDataProvider.getRootUserFilesOrFolders(Lcom/kms/katalon/entity/project/ProjectEntity;)Ljava/util/List;)
<?xml version="1.0" encoding="UTF-8"?>
<Project>
   <description></description>
   <name>BDD</name>
   <tag></tag>
   <UUID>d992855e-7cd4-47cb-822d-ed94f277a453</UUID>
   <migratedVersion>5.9.0</migratedVersion>
   <pageLoadTimeout>0</pageLoadTimeout>
   <sourceContent>
      <sourceFolderList>
         <sourceFolderConfiguration>
            <url>Include/scripts/groovy</url>
         </sourceFolderConfiguration>
      </sourceFolderList>
      <systemFolderList>
         <systemFolderConfiguration>
            <url>Include/scripts/groovy</url>
         </systemFolderConfiguration>
         <systemFolderConfiguration>
            <url>Include/features</url>
         </systemFolderConfiguration>
         <systemFolderConfiguration>
            <url>Include/config</url>
         </systemFolderConfiguration>
      </systemFolderList>
   </sourceContent>
   <type>GENERIC</type>
</Project>

@huynguyen please take a look

Hi @sander.schutten,
Please send us the whole error log. You can find it under Help > Error Log

This is a part of the log file with the error

!ENTRY org.eclipse.jface 2 0 2019-05-14 13:30:57.993
!MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation.
!SUBENTRY 1 org.eclipse.jface 2 0 2019-05-14 13:30:57.993
!MESSAGE A conflict occurred for CTRL+SHIFT+D:
Binding(CTRL+SHIFT+D,
ParameterizedCommand(Command(org.eclipse.jdt.debug.ui.commands.Display,Display,
Display result of evaluating selected text,
Category(org.eclipse.debug.ui.category.run,Run/Debug,Run/Debug command category,true),
org.eclipse.ui.internal.WorkbenchHandlerServiceHandler@408f3054,
,true),null),
org.eclipse.ui.defaultAcceleratorConfiguration,
org.eclipse.ui.contexts.dialogAndWindow,system)
Binding(CTRL+SHIFT+D,
ParameterizedCommand(Command(com.kms.katalon.composer.execution.command.debug,
Debug,
Category(org.eclipse.e4.ui.model.application.MApplication,Application Category,null,true),
org.eclipse.ui.internal.WorkbenchHandlerServiceHandler@6b7ebac1,
[Parameter(com.kms.katalon.composer.execution.runMode,Run Mode,null,true)],true),[org.eclipse.core.commands.Parameterization@de6e4672]),
org.eclipse.ui.defaultAcceleratorConfiguration,
org.eclipse.ui.contexts.dialogAndWindow ,system)

!ENTRY org.eclipse.jface 4 0 2019-05-14 13:31:03.294
!MESSAGE Unhandled event loop exception during blocked modal context.
!STACK 0
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.AbstractMethodError: com.kms.katalon.dal.fileservice.dataprovider.FolderFileServiceDataProvider.getRootUserFilesOrFolders(Lcom/kms/katalon/entity/project/ProjectEntity;)Ljava/util/List;)
at org.eclipse.swt.SWT.error(SWT.java:4533)
at org.eclipse.swt.SWT.error(SWT.java:4448)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4211)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3827)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:165)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:369)
at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:481)
at com.kms.katalon.composer.project.handlers.OpenProjectHandler.doOpenProject(OpenProjectHandler.java:144)
at com.kms.katalon.composer.project.handlers.OpenProjectHandler.restoreOpenProjectEventHandler(OpenProjectHandler.java:133)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler$1.run(UIEventObjectSupplier.java:56)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4821)
at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:211)
at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:53)
at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201)
at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:94)
at com.kms.katalon.composer.project.handlers.RecentProjectHandler.openLastRecentProject(RecentProjectHandler.java:81)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler$1.run(UIEventObjectSupplier.java:56)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4211)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3827)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
at com.kms.katalon.core.application.Application.internalRunGUI(Application.java:123)
at com.kms.katalon.core.application.Application.runGUI(Application.java:113)
at com.kms.katalon.core.application.Application.start(Application.java:71)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
at org.eclipse.equinox.launcher.Main.run(Main.java:1519)
Caused by: java.lang.AbstractMethodError: com.kms.katalon.dal.fileservice.dataprovider.FolderFileServiceDataProvider.getRootUserFilesOrFolders(Lcom/kms/katalon/entity/project/ProjectEntity;)Ljava/util/List;
at com.kms.katalon.controller.FolderController.getRootUserFilesOrFolders(FolderController.java:141)
at com.kms.katalon.composer.components.impl.util.TreeEntityUtil.getAllTreeEntity(TreeEntityUtil.java:514)
at com.kms.katalon.composer.project.handlers.OpenProjectHandler$1$1.run(OpenProjectHandler.java:166)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
… 61 more

!ENTRY org.eclipse.e4.ui.workbench 4 0 2019-05-14 13:31:04.862
!MESSAGE
!STACK 0
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.AbstractMethodError: com.kms.katalon.dal.fileservice.dataprovider.FolderFileServiceDataProvider.getRootUserFilesOrFolders(Lcom/kms/katalon/entity/project/ProjectEntity;)Ljava/util/List;)
at org.eclipse.swt.SWT.error(SWT.java:4533)
at org.eclipse.swt.SWT.error(SWT.java:4448)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:255)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4821)
at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:211)
at com.kms.katalon.composer.project.handlers.OpenProjectHandler$1.run(OpenProjectHandler.java:156)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)
Caused by: java.lang.AbstractMethodError: com.kms.katalon.dal.fileservice.dataprovider.FolderFileServiceDataProvider.getRootUserFilesOrFolders(Lcom/kms/katalon/entity/project/ProjectEntity;)Ljava/util/List;
at com.kms.katalon.controller.FolderController.getRootUserFilesOrFolders(FolderController.java:141)
at com.kms.katalon.composer.components.impl.util.TreeEntityUtil.getAllTreeEntity(TreeEntityUtil.java:514)
at com.kms.katalon.composer.project.handlers.OpenProjectHandler$1$1.run(OpenProjectHandler.java:166)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4211)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3827)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:165)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:369)
at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:481)
at com.kms.katalon.composer.project.handlers.OpenProjectHandler.doOpenProject(OpenProjectHandler.java:144)
at com.kms.katalon.composer.project.handlers.OpenProjectHandler.restoreOpenProjectEventHandler(OpenProjectHandler.java:133)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler$1.run(UIEventObjectSupplier.java:56)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4821)
at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:211)
at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:53)
at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201)
at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:94)
at com.kms.katalon.composer.project.handlers.RecentProjectHandler.openLastRecentProject(RecentProjectHandler.java:81)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler$1.run(UIEventObjectSupplier.java:56)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4211)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3827)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
at com.kms.katalon.core.application.Application.internalRunGUI(Application.java:123)
at com.kms.katalon.core.application.Application.runGUI(Application.java:113)
at com.kms.katalon.core.application.Application.start(Application.java:71)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
at org.eclipse.equinox.launcher.Main.run(Main.java:1519)

!ENTRY org.eclipse.core.resources 2 10035 2019-05-14 13:31:09.464
!MESSAGE The workspace will exit with unsaved changes in this session.

!ENTRY org.eclipse.core.jobs 2 2 2019-05-14 13:31:10.100
!MESSAGE Job found still running after platform shutdown. Jobs should be canceled by the plugin that scheduled them during shutdown: com.kms.katalon.composer.update.jobs.CheckForUpdatesJob
!SESSION 2019-05-14 13:33:06.232 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.8.0_181
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Command-line arguments: -os win32 -ws win32 -arch x86_64 -data config