Hello @FokeWulf89,
Welcome to the forum! As a new user, you are currently at Trust Level 0 (TL0); which does not allow you to create a new topic. This is to help prevent spam bots (auto account creations) from posting on the forum.
However, advancing to the next level is easy. 
See this guide here:
https://forums.flightsimulator.com/t/trust-levels-and-how-to-advance/121729