@classmethod
def insert(cls, status, message):
    """Insert cause as a first cause.

        Args:
            status (str): One of the predefined HTTP status codes.
            message (str): Description of the cause.

        Examples
        --------
        >>> Cause.insert(Cause.HTTP_CREATED, 'content created')
        """
    cls.push(status, message)
    cls._list['errors'].insert(0, cls._list['errors'].pop())
