For RaceMenu to function at its best, you should also install:
Navigate to the tab and scroll down to the Old Files section. Locate RaceMenu 0.4.16 SE and download it. Do not download the "AE" or newer version numbers. racemenu for skyrim se 1597 work
Forum/post tagline RaceMenu for Skyrim SE — build 1597: fixes for morphs, sliders, and UI scaling. Works with SKSE64 and common customization mods. Report issues with your mod list and load order. For RaceMenu to function at its best, you