Missing or Incorrect Autogen Around My Orbx Airport

Ensure that you have the latest version of the applicable airport, which contains compatibility fixes. This is recommended for all Orbx airports starting with EG... (except EGJA-Alderney, which is not within TrueEarth GB coverage area). Particularly if you have TrueEarth GB South installed, where most Orbx addon airports are located:

Open Orbx Central, Go to My Products, and select each airport individually. Click Verify files.