Is your texture a cubemap? If not the setup I used won’t work for your setup. Instead of a panner use the node “Rotate About Axis” this is how I used it:
By the by not to plug a product or anything but I actually sell this BP on the marketplace, if you want a finished working version of what you saw in the video. Just FYI, if not I will help as best I can to get you situated with your setup anyway.