Shooting photos at sundown doesn’t always go as planned. Sometimes you get the timing wrong and sometimes the sky and, more critically, the light doesn’t cooperate.

Every so often when you attempt to open an image, Photoshop gives you an “Embedded Profile Mismatch” warning. If you’re unsure what this means and how to deal with it, the following tutorial will set you straight.

British pro Scott Walker has an eclectic portfolio of beautiful images—all with a unique style. He shoots everything from nature and landscape photos to macrophotography and more.