Also take a look which RL Shaders are loaded , especially the Eyes need to have the RL_EyeRefractive Shaders.
Sometimes the Character has only the RL_Standart Shaders loaded , switch to RL_HQShaders.
Material Tap / at the bottom :


Eyes :



Also deactivate "Auto Exposer" in Project Settings.

And rebuild your lights after changing or switch all light sources to moveable.