I have noticed on quite a few occasions that airport codes in Pilot2ATC have different map locations and names than they have in MSFS 2020.
For example, in P2ATC airport LIQY is named as ALISCARLINO and is located near Follonica. In MSFS 2020 it is named as AVIOSUPERFICIE ENRICO MATTEI and is near Pisticci.
And so to my question. Are my PC files maybe corrupted or could it be that either P2ATC or MSFS 2020 are wrongly assigning incorrect names and locations?
Not sure if related, but what AIRAC are you running in Pilot2ATC?
If you have a Navigraph subscription then you can update it to the latest to match the sim, if you don’t then you are using the default which is a version from 2018.