I'm not having any luck using masks in MEP 2018. I've watched the videos, followed documentation, but still can't get masks to work for me. Highlight the video clip > select the effect (in this case color correction) > load a mask (it's placed under my video clip) - but from there on in, nothing works. Am I missing a step? I'm trying to do a simple gradient. Ended up using New Blue V3 Gradient Tint - which worked for me, but I would still like to know why the masks are not working.The Mask Generator seems to do nothing as well. Has anyone had any luck with this? Thanks in advance.