Invalid Apple Watch icon file names must match pattern “*@x.png”

Question

I\'m trying to submit an update to my App to include Apple Watch capabilities, however whenever I validate the build I get the errors detailed in the screenshot below. Looking a

Answer 1

I got the same problem and wasted me almost whole day to fix the issue. Before I figured out the solution, I tried every advice you guys posted but failed in the end.
Here is my stupid way to fix it: ALL the icons in the App Icon should have the same color profile, in my case, two of icons are different from others. After I changed the other two color format, it works.