Gentlemen,
most of such cases are outdated MSFS airport sceneries. YBBN has 01L/19R and 01R/19L in real life.
Real world:
In the MSFS you have:
So, completely outdated and therefore the SIDs/STARs can´t be assigned to the missing runways.
Cheers
Richard
PS: we had in the “Kown Issues” category exactly this case
