def METHOD_NAME(self):
    """
    Retrives the error descriptions of the SFP module
    Returns:
        String that represents the current error descriptions of
        vendor specific errors
        In case there are multiple errors, they should be joined by '|',
        like: "Bad EEPROM|Unsupported cable"
    """
    if self.sfp_type == "QSFP_DD":
        return super().METHOD_NAME()
    if not self.get_presence():
        return self.SFP_STATUS_UNPLUGGED
    return self.SFP_STATUS_OK