Show error instead of warning

qutebrowser/browser/commands.py

@@ -1645,7 +1645,7 @@ class CommandDispatcher:
         try:
             elem.set_value(text)
         except webelem.OrphanedError as e:
-            message.warning('Edited element vanished')
+            message.error('Edited element vanished')
         except webelem.Error as e:
             raise cmdexc.CommandError(str(e))
 

tests/end2end/features/editor.feature

@@ -126,7 +126,7 @@ Feature: Opening external editors
         And I set tabs.last_close to blank
         And I run :tab-close
         And I kill the waiting editor
-        Then the warning "Edited element vanished" should be shown
+        Then the error "Edited element vanished" should be shown
 
     @qtwebengine_todo: Caret mode is not implemented yet
     Scenario: Spawning an editor in caret mode