NL: P1 error - DSMR v4

In the Netherlands there are 2 type of digital meters:

The EMS automaticaly detectes this older version of DSMR meter v4. The data is not thrustworthy and will not be used for steering the installation.

Device Diagnostic message P1 when detected: P1 connected by serial. QoS: 100%, WARNING: DSMR v4.2 detected - Measurements discarded