Exception while Edit Configurations of Task

[ss005]

While selecting "Edit Configurations" from dropdown as shown in below image, always exception occurs as :

Show stack trace

```java Write-unsafe context! Model changes are allowed from write-safe contexts only. Please ensure you're using invokeLater/invokeAndWait with a correct modality state (not "any"). See TransactionGuard documentation for details. current modality=ModalityState:{[com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog[dialog0,141,24,1084x692,invalid,layout=java.awt.BorderLayout,APPLICATION_MODAL,title=Run/Debug Configurations,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog$DialogRootPane[,5,25,1074x662,invalid,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]]} known modalities: ModalityState:{[com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog[dialog0,141,24,1084x692,invalid,layout=java.awt.BorderLayout,APPLICATION_MODAL,title=Run/Debug Configurations,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog$DialogRootPane[,5,25,1074x662,invalid,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]]}, writingAllowed=true; ModalityState:{}, writingAllowed=true; ModalityState.NON_MODAL, writingAllowed=true java.lang.Throwable: Write-unsafe context! Model changes are allowed from write-safe contexts only. Please ensure you're using invokeLater/invokeAndWait with a correct modality state (not "any"). See TransactionGuard documentation for details. current modality=ModalityState:{[com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog[dialog0,141,24,1084x692,invalid,layout=java.awt.BorderLayout,APPLICATION_MODAL,title=Run/Debug Configurations,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog$DialogRootPane[,5,25,1074x662,invalid,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]]} known modalities: ModalityState:{[com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog[dialog0,141,24,1084x692,invalid,layout=java.awt.BorderLayout,APPLICATION_MODAL,title=Run/Debug Configurations,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog$DialogRootPane[,5,25,1074x662,invalid,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]]}, writingAllowed=true; ModalityState:{}, writingAllowed=true; ModalityState.NON_MODAL, writingAllowed=true at com.intellij.openapi.diagnostic.Logger.error(Logger.java:123) at com.intellij.openapi.application.TransactionGuardImpl.assertWriteActionAllowed(TransactionGuardImpl.java:232) at com.intellij.openapi.editor.impl.DocumentImpl.assertWriteAccess(DocumentImpl.java:605) at com.intellij.openapi.editor.impl.DocumentImpl.replaceString(DocumentImpl.java:534) at com.intellij.openapi.editor.impl.DocumentImpl.replaceText(DocumentImpl.java:446) at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl$2.run(FileDocumentManagerImpl.java:639) at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:1010) at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl.lambda$reloadFromDisk$6(FileDocumentManagerImpl.java:625) at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:137) at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:95) at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:85) at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl.reloadFromDisk(FileDocumentManagerImpl.java:625) at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl.contentsChanged(FileDocumentManagerImpl.java:607) at sun.reflect.GeneratedMethodAccessor56.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.intellij.util.EventDispatcher.dispatch(EventDispatcher.java:99) at com.intellij.util.EventDispatcher.access$200(EventDispatcher.java:35) at com.intellij.util.EventDispatcher$2.invoke(EventDispatcher.java:79) at com.sun.proxy.$Proxy18.contentsChanged(Unknown Source) at com.intellij.openapi.vfs.impl.BulkVirtualFileListenerAdapter.fireAfter(BulkVirtualFileListenerAdapter.java:65) at com.intellij.openapi.vfs.impl.BulkVirtualFileListenerAdapter.after(BulkVirtualFileListenerAdapter.java:56) at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.intellij.util.messages.impl.MessageBusConnectionImpl.deliverMessage(MessageBusConnectionImpl.java:117) at com.intellij.util.messages.impl.MessageBusImpl.doPumpMessages(MessageBusImpl.java:426) at com.intellij.util.messages.impl.MessageBusImpl.pumpWaitingBuses(MessageBusImpl.java:387) at com.intellij.util.messages.impl.MessageBusImpl.pumpMessages(MessageBusImpl.java:376) at com.intellij.util.messages.impl.MessageBusImpl.sendMessage(MessageBusImpl.java:357) at com.intellij.util.messages.impl.MessageBusImpl.access$200(MessageBusImpl.java:43) at com.intellij.util.messages.impl.MessageBusImpl$2.invoke(MessageBusImpl.java:208) at com.sun.proxy.$Proxy16.after(Unknown Source) at com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl$2.close(PersistentFSImpl.java:657) at com.fasterxml.jackson.core.json.UTF8JsonGenerator.close(UTF8JsonGenerator.java:1036) at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3633) at com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:2964) at net.egork.chelper.util.FileUtilities$3.run(FileUtilities.java:255) at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:1010) at net.egork.chelper.util.FileUtilities.saveConfiguration(FileUtilities.java:249) at net.egork.chelper.util.FileUtilities.saveConfiguration(FileUtilities.java:245) at net.egork.chelper.configurations.TaskConfiguration.saveConfiguration(TaskConfiguration.java:119) at net.egork.chelper.configurations.TaskConfiguration.setConfiguration(TaskConfiguration.java:114) at net.egork.chelper.ui.TaskConfigurationEditor.applyEditorTo(TaskConfigurationEditor.java:40) at net.egork.chelper.ui.TaskConfigurationEditor.applyEditorTo(TaskConfigurationEditor.java:14) at com.intellij.openapi.options.SettingsEditor.applyTo(SettingsEditor.java:102) at com.intellij.execution.impl.ConfigurationSettingsEditor$ConfigToSettingsWrapper.applyEditorTo(ConfigurationSettingsEditor.java:303) at com.intellij.execution.impl.ConfigurationSettingsEditor$ConfigToSettingsWrapper.applyEditorTo(ConfigurationSettingsEditor.java:282) at com.intellij.openapi.options.SettingsEditor.applyTo(SettingsEditor.java:102) at com.intellij.openapi.options.CompositeSettingsEditor.applyEditorTo(CompositeSettingsEditor.java:62) at com.intellij.openapi.options.SettingsEditor.applyTo(SettingsEditor.java:102) at com.intellij.execution.impl.ConfigurationSettingsEditor.getSnapshot(ConfigurationSettingsEditor.java:221) at com.intellij.execution.impl.ConfigurationSettingsEditorWrapper.getSnapshot(ConfigurationSettingsEditorWrapper.java:117) at com.intellij.execution.impl.ConfigurationSettingsEditorWrapper.getSnapshot(ConfigurationSettingsEditorWrapper.java:40) at com.intellij.execution.impl.SingleConfigurationConfigurable.getSnapshot(SingleConfigurationConfigurable.java:298) at com.intellij.execution.impl.SingleConfigurationConfigurable.getValidationResult(SingleConfigurationConfigurable.java:183) at com.intellij.execution.impl.SingleConfigurationConfigurable.access$1500(SingleConfigurationConfigurable.java:47) at com.intellij.execution.impl.SingleConfigurationConfigurable$MyValidatableComponent.getValidationResult(SingleConfigurationConfigurable.java:397) at com.intellij.execution.impl.SingleConfigurationConfigurable$MyValidatableComponent.updateWarning(SingleConfigurationConfigurable.java:401) at com.intellij.execution.impl.SingleConfigurationConfigurable$MyValidatableComponent.(SingleConfigurationConfigurable.java:350) at com.intellij.execution.impl.SingleConfigurationConfigurable.reset(SingleConfigurationConfigurable.java:145) at com.intellij.execution.impl.SingleConfigurationConfigurable.editSettings(SingleConfigurationConfigurable.java:101) at com.intellij.execution.impl.RunConfigurable.getSafeUserObject(RunConfigurable.kt:355) at com.intellij.execution.impl.RunConfigurable.access$getSafeUserObject(RunConfigurable.kt:68) at com.intellij.execution.impl.RunConfigurable$initTree$3.valueChanged(RunConfigurable.kt:240) at javax.swing.JTree.fireValueChanged(JTree.java:2927) at javax.swing.JTree$TreeSelectionRedirector.valueChanged(JTree.java:3391) at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:635) at com.intellij.ui.treeStructure.Tree$MySelectionModel.fireValueChanged(Tree.java:671) at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1093) at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:294) at javax.swing.JTree.setSelectionPaths(JTree.java:1647) at javax.swing.JTree.setSelectionRows(JTree.java:1729) at javax.swing.JTree.setSelectionRow(JTree.java:1704) at com.intellij.util.ui.tree.TreeUtil.lambda$showAndSelect$8(TreeUtil.java:530) at com.intellij.util.ui.tree.TreeUtil.showAndSelect(TreeUtil.java:565) at com.intellij.util.ui.tree.TreeUtil.showRowCentered(TreeUtil.java:475) at com.intellij.util.ui.tree.TreeUtil.showRowCentered(TreeUtil.java:466) at com.intellij.util.ui.tree.TreeUtil.showRowCentred(TreeUtil.java:461) at com.intellij.util.ui.tree.TreeUtil.selectPath(TreeUtil.java:392) at com.intellij.util.ui.tree.TreeUtil.selectInTree(TreeUtil.java:882) at com.intellij.util.ui.tree.TreeUtil.selectInTree(TreeUtil.java:868) at com.intellij.execution.impl.RunConfigurable.selectConfiguration(RunConfigurable.kt:310) at com.intellij.execution.impl.RunConfigurable.access$selectConfiguration(RunConfigurable.kt:68) at com.intellij.execution.impl.RunConfigurable$selectConfigurableOnShow$1.run(RunConfigurable.kt:284) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762) at java.awt.EventQueue.access$500(EventQueue.java:98) at java.awt.EventQueue$3.run(EventQueue.java:715) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.awt.EventQueue.dispatchEvent(EventQueue.java:732) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:786) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:727) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:395) 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:190) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233) at java.security.AccessController.doPrivileged(Native Method) at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233) at java.awt.Dialog.show(Dialog.java:1077) at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:694) at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:426) at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1688) at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1637) at com.intellij.execution.actions.EditRunConfigurationsAction.actionPerformed(EditRunConfigurationsAction.java:47) at com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:220) at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:237) at com.intellij.ui.popup.ActionPopupStep.performAction(ActionPopupStep.java:200) at com.intellij.ui.popup.ActionPopupStep.performAction(ActionPopupStep.java:190) at com.intellij.ui.popup.ActionPopupStep.lambda$onChosen$2(ActionPopupStep.java:184) at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:195) at com.intellij.ui.popup.AbstractPopup.lambda$dispose$8(AbstractPopup.java:1398) at com.intellij.util.ui.UIUtil.invokeLaterIfNeeded(UIUtil.java:2886) at com.intellij.ide.IdeEventQueue.ifFocusEventsInTheQueue(IdeEventQueue.java:173) at com.intellij.ide.IdeEventQueue.executeWhenAllFocusEventsLeftTheQueue(IdeEventQueue.java:132) at com.intellij.openapi.wm.impl.FocusManagerImpl.doWhenFocusSettlesDown(FocusManagerImpl.java:190) at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.doWhenFocusSettlesDown(IdeFocusManagerImpl.java:56) at com.intellij.ui.popup.AbstractPopup.dispose(AbstractPopup.java:1392) at com.intellij.ui.popup.WizardPopup.dispose(WizardPopup.java:160) at com.intellij.ui.popup.list.ListPopupImpl.dispose(ListPopupImpl.java:307) at com.intellij.ui.popup.PopupFactoryImpl$ActionGroupPopup.dispose(PopupFactoryImpl.java:266) at com.intellij.openapi.util.Disposer$1.execute(Disposer.java:48) at com.intellij.openapi.util.Disposer$1.execute(Disposer.java:44) at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:138) at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:107) at com.intellij.openapi.util.objectTree.ObjectTree.executeActionWithRecursiveGuard(ObjectTree.java:169) at com.intellij.openapi.util.objectTree.ObjectNode.execute(ObjectNode.java:107) at com.intellij.openapi.util.objectTree.ObjectTree.executeAll(ObjectTree.java:144) at com.intellij.openapi.util.Disposer.dispose(Disposer.java:129) at com.intellij.openapi.util.Disposer.dispose(Disposer.java:125) at com.intellij.ui.popup.WizardPopup.disposeAllParents(WizardPopup.java:263) at com.intellij.ui.popup.list.ListPopupImpl.handleNextStep(ListPopupImpl.java:442) at com.intellij.ui.popup.list.ListPopupImpl._handleSelect(ListPopupImpl.java:396) at com.intellij.ui.popup.list.ListPopupImpl.handleSelect(ListPopupImpl.java:342) at com.intellij.ui.popup.PopupFactoryImpl$ActionGroupPopup.handleSelect(PopupFactoryImpl.java:286) at com.intellij.ui.popup.list.ListPopupImpl$MyMouseListener.mouseReleased(ListPopupImpl.java:501) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:290) at java.awt.Component.processMouseEvent(Component.java:6548) at javax.swing.JComponent.processMouseEvent(JComponent.java:3325) at com.intellij.ui.popup.list.ListPopupImpl$MyList.processMouseEvent(ListPopupImpl.java:552) at java.awt.Component.processEvent(Component.java:6313) at java.awt.Container.processEvent(Container.java:2237) at java.awt.Component.dispatchEventImpl(Component.java:4903) at java.awt.Container.dispatchEventImpl(Container.java:2295) at java.awt.Component.dispatchEvent(Component.java:4725) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4889) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4526) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4467) at java.awt.Container.dispatchEventImpl(Container.java:2281) at java.awt.Window.dispatchEventImpl(Window.java:2746) at java.awt.Component.dispatchEvent(Component.java:4725) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764) at java.awt.EventQueue.access$500(EventQueue.java:98) at java.awt.EventQueue$3.run(EventQueue.java:715) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90) at java.awt.EventQueue$4.run(EventQueue.java:737) at java.awt.EventQueue$4.run(EventQueue.java:735) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.awt.EventQueue.dispatchEvent(EventQueue.java:734) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:786) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:723) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:395) 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) ```

Chelper 4.3.1
Intellij Idea 2018.1
OS : Linux
JDK : 10

[EgorKulikov]

Can you attach zip with you project?

[ss005]

Thanks for reply. Issue is not coming now, seems problem was with either my project or idea version.