system error code (see CmpErrors
0 dwErrorCode [...] or in the event of an error [...] xDone , xError ,
_REF_sIII_Standard Output dwErrorCode [...] or in the event of an error [...] xDone , xError ,
) MQTT_ERROR (Enum [...] _VERSION (Enum) V5 MQTT_REASON_CODE
_IEC_RESULT Error code ERR