java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at org.robovm.idea.running.RoboVmIOSRunConfigurationSettingsEditor.updateSimulatorConfig(RoboVmIOSRunConfigurationSettingsEditor.java:129)
at org.robovm.idea.running.RoboVmIOSRunConfigurationSettingsEditor.populateControls(RoboVmIOSRunConfigurationSettingsEditor.java:87)
at org.robovm.idea.running.RoboVmIOSRunConfigurationSettingsEditor.resetEditorFrom(RoboVmIOSRunConfigurationSettingsEditor.java:61)
at org.robovm.idea.running.RoboVmIOSRunConfigurationSettingsEditor.resetEditorFrom(RoboVmIOSRunConfigurationSettingsEditor.java:39)
at com.intellij.openapi.options.SettingsEditor.resetFrom(SettingsEditor.java:88)
at com.intellij.execution.impl.ConfigurationSettingsEditor$ConfigToSettingsWrapper.resetEditorFrom(ConfigurationSettingsEditor.java:308)
at com.intellij.execution.impl.ConfigurationSettingsEditor$ConfigToSettingsWrapper.resetEditorFrom(ConfigurationSettingsEditor.java:292)
at com.intellij.openapi.options.CompositeSettingsEditor.resetEditorFrom(CompositeSettingsEditor.java:51)
at com.intellij.execution.impl.ConfigurationSettingsEditorWrapper.resetEditorFrom(ConfigurationSettingsEditorWrapper.java:109)
at com.intellij.execution.impl.ConfigurationSettingsEditorWrapper.resetEditorFrom(ConfigurationSettingsEditorWrapper.java:44)
at com.intellij.openapi.options.SettingsEditor.resetFrom(SettingsEditor.java:88)
at com.intellij.openapi.options.SettingsEditorConfigurable.reset(SettingsEditorConfigurable.java:50)
at com.intellij.execution.impl.SingleConfigurationConfigurable.reset(SingleConfigurationConfigurable.java:121)
at com.intellij.execution.impl.SingleConfigurationConfigurable.editSettings(SingleConfigurationConfigurable.java:100)
at com.intellij.execution.impl.RunConfigurable.c(RunConfigurable.java:383)
at com.intellij.execution.impl.RunConfigurable.access$600(RunConfigurable.java:68)
at javax.swing.JTree.fireValueChanged(JTree.java:2927)
at javax.swing.JTree$TreeSelectionRedirector.valueChanged(JTree.java:3391)
at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:635)
at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1093)
at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:294)
at javax.swing.JTree.setSelectionPaths(JTree.java:1647)
at javax.swing.JTree.setSelectionRows(JTree.java:1729)
at com.intellij.util.ui.tree.TreeUtil.lambda$showAndSelect$0(TreeUtil.java:514)
at com.intellij.util.ui.tree.TreeUtil.showAndSelect(TreeUtil.java:564)
at com.intellij.util.ui.tree.TreeUtil.showRowCentered(TreeUtil.java:459)
at com.intellij.util.ui.tree.TreeUtil.showRowCentered(TreeUtil.java:450)
at com.intellij.util.ui.tree.TreeUtil.showRowCentred(TreeUtil.java:445)
at com.intellij.util.ui.tree.TreeUtil.selectPath(TreeUtil.java:376)
at com.intellij.util.ui.tree.TreeUtil.selectInTree(TreeUtil.java:821)
at com.intellij.util.ui.tree.TreeUtil.selectInTree(TreeUtil.java:809)
at com.intellij.execution.impl.RunConfigurable.a(RunConfigurable.java:331)
at com.intellij.execution.impl.RunConfigurable.a(RunConfigurable.java:305)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at com.intellij.ide.IdeEventQueue.i(IdeEventQueue.java:793)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:629)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:778)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:455)
at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1665)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1607)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.access$801(SingleConfigurableEditor.java:45)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.a(SingleConfigurableEditor.java:127)
at com.intellij.openapi.project.DumbPermissionServiceImpl.allowStartingDumbModeInside(DumbPermissionServiceImpl.java:31)
at com.intellij.openapi.project.DumbService.allowStartingDumbModeInside(DumbService.java:283)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.show(SingleConfigurableEditor.java:127)
at com.intellij.execution.impl.EditConfigurationsDialog.access$001(EditConfigurationsDialog.java:33)
at com.intellij.execution.impl.EditConfigurationsDialog.b(EditConfigurationsDialog.java:54)
at com.intellij.openapi.project.DumbPermissionServiceImpl.allowStartingDumbModeInside(DumbPermissionServiceImpl.java:37)
at com.intellij.openapi.project.DumbService.allowStartingDumbModeInside(DumbService.java:283)
at com.intellij.execution.impl.EditConfigurationsDialog.show(EditConfigurationsDialog.java:54)
at com.intellij.execution.actions.EditRunConfigurationsAction.actionPerformed(EditRunConfigurationsAction.java:49)
at com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:197)
at com.intellij.openapi.application.TransactionGuardImpl.a(TransactionGuardImpl.java:88)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransactionAndWait(TransactionGuardImpl.java:156)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:211)
at com.intellij.ui.popup.PopupFactoryImpl$ActionPopupStep.performAction(PopupFactoryImpl.java:875)
at com.intellij.ui.popup.PopupFactoryImpl$ActionPopupStep.a(PopupFactoryImpl.java:863)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:199)
at com.intellij.ui.popup.AbstractPopup.a(AbstractPopup.java:1390)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at com.intellij.ide.IdeEventQueue.i(IdeEventQueue.java:793)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:629)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

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