I just had my longest ld. But the problem was that I could not change the scene. I was at a school with many friends and I wasn’t sure how to go somewhere else. I repeated the command but nothing happened.
What you could do is When you Lucid dream, Close your eyes and imagine the place that you want to be in. and if that doesn’t help then i have no idea.
You could try summoning a portal. That’s what works the best for me. Of course, you should be very specific with your wording, at first, because it might not come until you word it right. Then use the portal to travel to where you want to go (be specific with that too…i.e. if you want to go to McDonald’s you should specify which it is).