Incorrect data is fed into DataValidator

[sxhya]

com.intellij.diagnostic.PluginException: PSI element is provided on EDT by com.intellij.ui.popup.PopupListAdapter$MyListWrapper.getData("selectedItem"). Please move that to a BGT data provider using PlatformCoreDataKeys.BGT_DATA_PROVIDER
	at com.intellij.diagnostic.PluginProblemReporterImpl.createPluginExceptionByClass(PluginProblemReporterImpl.java:23)
	at com.intellij.diagnostic.PluginException.createByClass(PluginException.java:90)
	at com.intellij.ide.impl.DataValidators.reportPsiElementOnEdt(DataValidators.java:96)
	at com.intellij.ide.impl.DataValidators.isDataValid(DataValidators.java:71)
	at com.intellij.ide.impl.DataValidators.validOrNull(DataValidators.java:64)
	at com.intellij.ide.impl.DataManagerImpl.getDataFromProviderInner(DataManagerImpl.java:245)
	at com.intellij.ide.impl.DataManagerImpl.getDataFromProviderAndRulesInner(DataManagerImpl.java:82)
	at com.intellij.ide.impl.DataManagerImpl.getDataFromProviderAndRules(DataManagerImpl.java:61)
	at com.intellij.openapi.actionSystem.impl.PreCachedDataContext.cacheProviderData(PreCachedDataContext.java:341)
	at com.intellij.openapi.actionSystem.impl.PreCachedDataContext.cacheComponentsData(PreCachedDataContext.java:317)
	at com.intellij.openapi.actionSystem.impl.PreCachedDataContext.<init>(PreCachedDataContext.java:105)
	at com.intellij.openapi.actionSystem.impl.Utils.createAsyncDataContextImpl(Utils.kt:166)
	at com.intellij.openapi.actionSystem.impl.Utils.createAsyncDataContext(Utils.kt:156)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction$intellij_platform_ide_impl(IdeKeyEventDispatcher.kt:529)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.kt:508)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processActionOrWaitSecondStroke(IdeKeyEventDispatcher.kt:447)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.kt:440)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.kt:302)
	at com.intellij.ide.IdeEventQueue.dispatchKeyEvent(IdeEventQueue.kt:622)
	at com.intellij.ide.IdeEventQueue._dispatchEvent$lambda$11(IdeEventQueue.kt:585)
	at com.intellij.openapi.application.impl.RwLockHolder.runWithEnabledImplicitRead(RwLockHolder.kt:138)
	at com.intellij.openapi.application.impl.RwLockHolder.runWithImplicitRead(RwLockHolder.kt:129)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:585)
	at com.intellij.ide.IdeEventQueue.access$_dispatchEvent(IdeEventQueue.kt:77)
	at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:362)
	at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:361)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:843)
	at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:361)
	at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:356)
	at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$1(IdeEventQueue.kt:1021)
	at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:114)
	at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1021)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$7(IdeEventQueue.kt:356)
	at com.intellij.openapi.application.impl.RwLockHolder.runIntendedWriteActionOnCurrentThread(RwLockHolder.kt:209)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:830)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:398)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)