Ok so I tried a fresh install and didn't touch scenery.cfg or add-ons.cfg and I still get the same issue, could it be something to do with ORBX Australia v2?

So I've installed Flytampa Sydney into p3d v5 D:\Program Files\Lockheed Martin\Prepar3d v5\ and I get the new scenery showing up alongside the default scenery. I've edited the add-ons.cfg which looks like this: [Package.0] PATH=C:\Users\Alex\Documents\Prepar3D v5 Add-ons\FSUIPC6 ACTIVE=true REQUIRED...