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Scrolling material with overlay texture, overlay is scrolling too and should not be!

Material:
35f6009f27495aaea4456744316bcc53a5253054.png

The top texture is our overlay that we want to remain static. The bottom texture we want it to rotate/scroll based on the input we provide it. The problem is that the overlay is scrolling with the bottom texture as well. How can we keep it fixed?

Sample output (please ignore the incorrect material above the bottom one, I was testing something with the UVs):
70b1f5b4519403a1a8289d28dc9edf52136cc53c.png
6dfa542c327ee9f43772061e0e2fd0bd3f7eb4ec.png

Notice the bottom of the second image is faded out in the middle. If the overlay is static it would fade out on the edges instead of here. So for some reason the overlay texture is being scrolled as well.

Thanks to anyone that can help!

Question was answered here: https://answers.unrealengine.com/questions/148513/scrolling-material-with-overlay-texture-overlay-is.html