[Help] Race Track Builder and Assetto Corsa

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Hi guys.

Today I've bought the Race TRack Builder (very expensive, yes), and I tried to make my first attempt with the programm.

I exported the track (RTB first, and next to kn5 with the AC SDK), and I'm lost here.

The only two tutorials that I can find in Youtube are from august, and some features (Assetto Corsa track structure files and SDK editor) changed.

I followed the steps, but the track didn't load.

Anyone can help me, please?