plugin.kts

import com.intellij.diagnostic.IdeMessagePanel
import com.intellij.openapi.wm.WindowManager
import liveplugin.registerAction

registerAction("Show IDE Errors", "ctrl shift E") { event ->
    val messagePanel = WindowManager.getInstance().allProjectFrames
        .find { it.project == event.project }
        ?.statusBar?.getWidget(IdeMessagePanel.FATAL_ERROR) as IdeMessagePanel
    messagePanel.openErrorsDialog(null)
}