Same here. Only option for me is to rely on the default configuration.
If I try to specify name or station_id, I don’t get the weather or sensor entity anymore…
with station_id 4905 instead of 11059 its the same error. ERROR (SyncWorker_6) [homeassistant.components.zamg.sensor] Configured ZAMG station_id (4905) is not a known station
obviously it is working again with the station number in the liked file: e.g. with 11150 for Salzburg
Unfortunately, the number of stations is rather limited and not very useful if you don’t live in one of the cities.