RNS 510 TMC Problem 2019

Hello guys,I need some help with TMC service on my RNS 510!For a while the TMC is not working,today I went to setings and I saw there is no possibility to chose the transmiter station. I live in Italy,and I remember before,there were two stations with TMC service. Somewhere on the web,I readed that possible cause of this problem can be updating of the map. And if remember well,this problem started after I had updated my unit to V12 map. Someone said,it’s because of bad burning of disc.Finaly i found a good version: