[2022] Can't Buy or Sell Soil in Airports DLC

Do you see the window in the top left that shows how much soil is available?

Are you using any mods? Toggleable Whiteness comes to mind as one that would keep that window closed, but there are likely others.

Did you have them as exactly -noWorkshop -disableMods or something else? They are cap sensitive and need to be exact to work, including having the dash in front (both one or two dashes work) and a space between them. Like this:

-noWorkshop -disableMods