def _verify_model_can_be_initialized(self) -> None:
        """
        Raises exception if model is abstract or has ForwardRefs in relation fields.

        :return: None
        :rtype: None
        """
        if self.ormar_config.abstract:
            raise ModelError(f"You cannot initialize abstract model {self.get_name()}")
        if self.ormar_config.requires_ref_update:
            raise ModelError(
                f"Model {self.get_name()} has not updated "
                f"ForwardRefs. \nBefore using the model you "
                f"need to call update_forward_refs()."
            )

        Raises exception if model is abstract or has ForwardRefs in relation fields.

        :return: None
        :rtype: None
        
ormar/models/newbasemodel.py