Message in Russian (Русский)
MC6016: отсутствует атрибут <var>X</var>:Class. Этот атрибут обязателен, когда указан атрибут <var>X</var>:Subclass.
Unlocalized message
MC6016: <var>X</var>:Class attribute is missing. It is required when a <var>X</var>:Subclass attribute is specified.
Search by Google