faced problem with latest version Katalon_Studio_Windows_64-5.2.0.1
cannot open existing projects
cannot create new project

OS Win 10 64-bit

!ENTRY org.eclipse.jface 4 0 2017-12-23 12:05:25.641
!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.getTestListenerRoot(Lcom/kms/katalon/entity/project/ProjectEntity;)Lcom/kms/katalon/entity/folder/FolderEntity;)
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)