SARIMAX models require univariate `endog`. Got shape %s.

Raise code

                          missing=missing)
        self.endog = None if faux_endog else self._model.endog
        self.exog = self._model.exog

        # Validate endog shape
        if (validate_specification and not faux_endog and
                self.endog.ndim > 1 and self.endog.shape[1] > 1):
            raise ValueError('SARIMAX models require univariate `endog`. Got'
                             ' shape %s.' % str(self.endog.shape))

        self._has_missing = (
            None if faux_endog else np.any(np.isnan(self.endog)))

    @property
    def is_ar_consecutive(self):
        """
 """