user_interface/button_selection.gd

@@ -17,11 +17,15 @@ var item_count: int:
 
 func _get_configuration_warnings() -> PackedStringArray:
 	var warnings := PackedStringArray()
+	var children := get_children()
 
-	for child in get_children():
-		warnings.append(
-			"ItemSelection can only have children of type Button, but {0} is of type {1}".format(
-				[child.name, child.get_class()]))
+	if not(children.is_empty()):
+		var self_class_name := get_class()
+
+		for child in get_children():
+			warnings.append(
+				"{0} can only have Button children, but {1} is of type {2}".format(
+					[self_class_name, child.name, child.get_class()]))
 
 	return warnings