Добрый день! подскажите почему не активна кнопка с этажами, не построить не удалить не дает? Что не так может быть

Hello, We are pleased to tell you that as a 'basic' user, you have 3 times chances on multi-floor editing, and after that, you are supposed to upgrade your subscription to 'pro', 'master' or 'team' to have the access to further multi-floor editing.