Mobile - Unable to capture objects

I am trying to launch mobile app and getting following error

Unable to capture objects

Reason:
SWTException

org.eclipse.swt.SWTException: Failed to execute runnable (org.eclipse.core.runtime.AssertionFailedException: null argument:)

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:4814)

at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:211)

at com.kms.katalon.composer.components.services.UISynchronizeService.syncExec(UISynchronizeService.java:26)

at com.kms.katalon.composer.mobile.objectspy.dialog.MobileObjectSpyDialog$14.refreshTreeElements(MobileObjectSpyDialog.java:825)

at com.kms.katalon.composer.mobile.objectspy.dialog.MobileObjectSpyDialog$14.run(MobileObjectSpyDialog.java:806)

at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)

Caused by: org.eclipse.core.runtime.AssertionFailedException: null argument:

at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)

at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)

at org.eclipse.jface.viewers.StructuredViewer.assertElementsNotNull(StructuredViewer.java:586)

at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:1002)

at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:701)

at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1349)

at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:341)

at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:907)

at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:621)

at org.eclipse.jface.viewers.AbstractTreeViewer.lambda$0(AbstractTreeViewer.java:817)

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

at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:795)

at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:596)

at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:766)

at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1538)

at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:772)

at org.eclipse.jface.viewers.AbstractTreeViewer.lambda$1(AbstractTreeViewer.java:1523)

at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1458)

at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:354)

at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1419)

at org.eclipse.jface.viewers.CheckboxTreeViewer.preservingSelection(CheckboxTreeViewer.java:409)

at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1517)

at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:286)

at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1696)

at com.kms.katalon.composer.mobile.objectspy.dialog.MobileObjectSpyDialog$14$3.run(MobileObjectSpyDialog.java:829)

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:4032)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3708)

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.mobile.objectspy.dialog.MobileObjectSpyDialog.captureObjectAction(MobileObjectSpyDialog.java:859)

at com.kms.katalon.composer.mobile.objectspy.dialog.MobileObjectSpyDialog.startObjectInspectorAction(MobileObjectSpyDialog.java:908)

at com.kms.katalon.composer.mobile.objectspy.dialog.MobileObjectSpyDialog.access$10(MobileObjectSpyDialog.java:886)

at com.kms.katalon.composer.mobile.objectspy.dialog.MobileObjectSpyDialog$11.widgetSelected(MobileObjectSpyDialog.java:635)

at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249)

at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)

at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4256)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1501)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1524)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1509)

at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1313)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4080)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3706)

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:173)

at com.kms.katalon.core.application.Application.runGUI(Application.java:163)

at com.kms.katalon.core.application.Application.start(Application.java:82)

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)

@narras1,

You can move to another screen then press capture again.