Occurrences of MeterLabel1 and MeterLabel2 cannot be null in the UpgMeterNames.xml file - Please update this file with non-null MeterLabel1 and MeterLabel2 values and rerun validate.
Pojavitvi MeterLabel1 in MeterLabel2 ne moreta biti ničelni v datoteki UpgMeterNames.xml - posodobite to datoteko z neničelnimi vrednostmi MeterLabel1 in MeterLabel2 in ponovno zaženite preverjanje.