Hey there! It's so weird. So I re-installed the mod to my server to test it again. And now it works. I haven't changed anything though. Here's a list of my mods though in case it helps: **Origins:** 1) Origins - https://www.curseforge.com/minecraft/mc-mods/origins [has 1.17] 2) Extra Origins - https://www.curseforge.com/minecraft/mc-mods/extra-origins [has 1.17] 3) Mob Origins - https://www.curseforge.com/minecraft/mc-mods/mob-origins [has 1.17] 4) Expanded Origins (aka Origins+) - https://www.curseforge.com/minecraft/mc-mods/origins-plus 5) Pehkui - https://www.curseforge.com/minecraft/mc-mods/pehkui 6) Mermod Fabric - https://www.curseforge.com/minecraft/mc-mods/mermod-fabric **World Manipulators:** 1) Better Caves - https://www.curseforge.com/minecraft/mc-mods/yungs-better-caves-fabric 2) Cave Biomes - https://www.curseforge.com/minecraft/mc-mods/cave-biomes [has 1.17] 3) Better Nether - https://www.curseforge.com/minecraft/mc-mods/betternether [has 1.17] 4) Better End - https://www.curseforge.com/minecraft/mc-mods/betterend [has 1.17] 5) Oh the Biomes You'll Go - https://www.curseforge.com/minecraft/mc-mods/oh-the-biomes-youll-go-fabric 6) MoStructures - https://www.curseforge.com/minecraft/mc-mods/mo-structures [has 1.17] 7) Repurposed Structures - https://www.curseforge.com/minecraft/mc-mods/repurposed-structures-fabric [has 1.17] 8) Draylar's Battle Towers - https://www.curseforge.com/minecraft/mc-mods/draylars-battle-towers 9) Biome Makeover - https://www.curseforge.com/minecraft/mc-mods/biome-makeover 10) Better Mineshaft - https://www.curseforge.com/minecraft/mc-mods/yungs-better-mineshafts-fabric 11) Desolation - https://www.curseforge.com/minecraft/mc-mods/desolation 12) Wild World - https://www.curseforge.com/minecraft/mc-mods/wild-world 13) Endless Oceans: Adventures: https://www.curseforge.com/minecraft/mc-mods/endless-oceans-adventures-fabric **Mobs:** 1) Gentle Fawn - https://www.curseforge.com/minecraft/mc-mods/gentle-fawn 2) Direbats - https://www.curseforge.com/minecraft/mc-mods/direbats-fabric 3) Monster of the Ocean Depths - https://www.curseforge.com/minecraft/mc-mods/monster-of-the-ocean-depths-fabric 4) Rat's Mischief - https://www.curseforge.com/minecraft/mc-mods/rats-mischief [has 1.17] 5) Duck Mod - https://www.curseforge.com/minecraft/mc-mods/untitled-duck-mod-fabric [has 1.17] 6) RPG Difficulty - https://www.curseforge.com/minecraft/mc-mods/rpgdifficulty [has 1.17] 7) Crimson Moon - https://www.curseforge.com/minecraft/mc-mods/crimson-moon 8) Eldritch Mobs - https://www.curseforge.com/minecraft/mc-mods/eldritch-mobs [has 1.17] 9) MobZ - https://www.curseforge.com/minecraft/mc-mods/mobz 10) Terrarian Slimes - https://www.curseforge.com/minecraft/mc-mods/terrarian-slimes/files/3358232 [has 1.17] 11) El Huevo - https://www.curseforge.com/minecraft/mc-mods/el-huevo-fabric 12) Grizzly Bear - https://www.curseforge.com/minecraft/mc-mods/grizzly-bear [has 1.17] **QOL:** 1) Vanilla Death Chest - https://www.curseforge.com/minecraft/mc-mods/vanilladeathchest-fabric 2) Villager Names - https://www.curseforge.com/minecraft/mc-mods/villager-names-fabric [has 1.17] 3) NPC Variety - https://www.curseforge.com/minecraft/mc-mods/npc-variety-port [has 1.17] 4) Dual Riders - https://www.curseforge.com/minecraft/mc-mods/dual-riders [has 1.17] 5) Damage Tilt - https://www.curseforge.com/minecraft/mc-mods/damage-tilt [has 1.17] 6) Curios - https://www.curseforge.com/minecraft/mc-mods/curios-fabric 7) Adorn - https://www.curseforge.com/minecraft/mc-mods/adorn [has 1.17] 8) Carrier - https://www.curseforge.com/minecraft/mc-mods/carrier [has 1.17] 9) Environmental Armor - https://www.curseforge.com/minecraft/mc-mods/environmental-armor [has 1.17] 10) Secret Rooms - https://www.curseforge.com/minecraft/mc-mods/secret-rooms-fabric [has 1.17] 11) Color Unchained - https://www.curseforge.com/minecraft/mc-mods/color-unchained 12) Iron Jetpacks - https://www.curseforge.com/minecraft/mc-mods/iron-jetpacks-fabric 13) Hookshot - https://www.curseforge.com/minecraft/mc-mods/hookshot [has 1.17] 14) Auto Switch - https://www.curseforge.com/minecraft/mc-mods/fabric-autoswitch [has 1.17] *MISC:** 1) Fabric API - https://www.curseforge.com/minecraft/mc-mods/fabric-api [has 1.17] 2) Yung's API - https://www.curseforge.com/minecraft/mc-mods/yungs-api-fabric [has 1.17] 3) Fabric Kotlin - https://www.curseforge.com/minecraft/mc-mods/fabric-language-kotlin [has 1.17] 4) GeckoLib - https://www.curseforge.com/minecraft/mc-mods/geckolib 5) Cloth Config API - https://www.curseforge.com/minecraft/mc-mods/cloth-config [has 1.17] 6) Mod Menu - https://www.curseforge.com/minecraft/mc-mods/modmenu [has 1.17] 7) Cloth API - https://www.curseforge.com/minecraft/mc-mods/cloth-api [has 1.17] 8) OptiFabric - https://www.curseforge.com/minecraft/mc-mods/optifabric [has 1.17] 9) OptiFine - https://optifine.net/downloads (Total: 54 Mods)