volumetric lighting error

[Sharaj00]

What happened?

composite: composite: Fragment info

0(517) : error C1503: undefined variable "shadowcolor0"
(0) : error C2003: incompatible options for link

Minecraft Version

1.20.1

Which shader mod are you using?

Iris

Shader mod version

dev

Shader settings

#Mon Oct 14 11:22:53 MSK 2024
CLOUDS_SCALE=4.0
TAAU=true
ENTITY_SHADOWS=false
WATER_PARALLAX=false
TAAU_RENDER_SCALE=0.50
INFO=0
SHADOW_COLOR=false
AIR_FOG_COLORED_LIGHT_SHAFTS=true
SHADOW_VPS=false
shadowMapResolution=1024
GTAO=false
VANILLA_MOON=false
ENVIRONMENT_REFLECTIONS=false

Relevant log output

No response