There is a technical issue about last added item. You can click "Report to us" button to let us know and we resolve the issue and return back to you or you can continue without last item via click to continue button.
BS EN 62053-22:2003+A1:2017 Electricity metering equipment (a.c.). Particular requirements - Static meters for active energy (classes 0,2 S and 0,5 S), 2018