seed: -7801397800430326937
MC 1.18.2
mod installed:
More culling 0.1.4
Sodium 0.4.1
Fabric API v55.1
Mod Menu 3.2.2
Cloth config 6.2.62
Happened with Ice Block placed above a solid block
this bug does not affect ice block on water block

Yup this is already known, ill get around to fixing it soonish

@SeaSon2002
for the time being
edit this file https://github.com/fxmorin/MoreCulling/blob/master/src/main/resources/data/moreculling/tags/blocks/dont_cull.json
and add ice to it

Fixed in v0.2.0

Fixed version of the mod for 1.18.x: https://github.com/fxmorin/MoreCulling/releases/tag/v0.2.0-1.18