Here's the crash log:

Launcher: Modrinth
Fabric's version: 0.16.9
Mod's version: 2.3.2-1.20.1

crash-2025-01-05_16.10.31-client.txt

Config
{
"splashes": true,
"splashThreshold": 0.14,
"flowingWaterSplashingDensity": 14,
"cascades": false,
"cascadeCloudDensity": 0.12,
"cascadeMistDensity": 0.28,
"shouldFlowingWaterSpawnParticlesOnFirstTick": false,
"lapisBlockUpdateParticleChance": 0.6,
"rainRippleDensity": 1,
"glowingPlankton": true,
"underwaterOpenChestBubbles": true,
"underwaterChestsOpenRandomly": "ON_SOUL_SAND",
"glowSquidHypnotize": "ATTRACT",
"allayTrails": "BOTH",
"goldenAllays": true,
"screenShakeIntensity": 1.11,
"wardenScreenShake": true,
"sonicBoomScreenShake": true,
"ravagerScreenShake": true,
"dragonScreenShake": true,
"fireflyDensity": 0.7,
"chorusPetalDensity": 0.67,
"willOWispDensity": 0.74,
"eyesInTheDark": "HALLOWEEN",
"improvedFireballs": true,
"improvedDragonFireballsAndBreath": true,
"improvedGlowSquidParticles": true,
"spectralArrowTrails": "BOTH",
"sculkDustDensity": 72.54,
"cosmetics": "ENABLE",
"ultrakill": false,
"cascadeSoundsVolume": 30,
"cascadeSoundDistanceBlocks": 100,
"windAmbienceVolume": 84,
"waterAmbienceVolume": 87,
"foliageAmbienceVolume": 85,
"animalAmbienceVolume": 85
}

This version is outdated, this bug has already been fixed.

Wait, i'm downloading the version from modrinth, and the version I'm using is the latest version which is 2.3.2, it's not outdated I think?

I think RAT is saying that it's fixed in the 1.21 Alphas

Oh that's bad