1. sculkhorde-1.19.2-0.8.1.jar
2. observable-3.3.1.jar
3. spark-1.10.37-forge.jar
4. azurelib-forge-1.19.2-1.0.41.jar
5. geckolib-forge-1.19-3.1.40.jar

com.github.sculkhorde.common.entity.infection.CursorEntity.tick()16.10%

[28Feb2024 19:38:10.216] [Render thread/WARN] [net.minecraft.network.syncher.SynchedEntityData/]: defineId called for: class net.minecraft.world.entity.animal.Bee from class com.github.sculkhorde.common.entity.SculkBeeHarvesterEntity
[28Feb2024 19:38:10.216] [Render thread/WARN] [net.minecraft.network.syncher.SynchedEntityData/]: defineId called for: class com.github.sculkhorde.common.entity.boss.sculk_enderman.SculkEndermanEntity from class com.github.sculkhorde.common.entity.SculkSporeSpewerEntity
[28Feb2024 19:38:10.218] [Render thread/WARN] [net.minecraft.network.syncher.SynchedEntityData/]: defineId called for: class com.github.sculkhorde.common.entity.boss.sculk_enderman.SculkEndermanEntity from class com.github.sculkhorde.common.entity.SculkPhantomCorpseEntity
[28Feb2024 19:38:23.408] [Worker-ResourceReload-5/WARN] [net.minecraft.client.resources.model.ModelBakery/]: Exception loading blockstate definition: 'sculkhorde:blockstates/soul_harvester.json' missing model for variant: 'sculkhorde:soul_harvester#'
[28Feb2024 19:38:30.780] [Worker-ResourceReload-5/WARN] [net.minecraft.client.resources.model.ModelBakery/]: Unable to load model: 'sculkhorde:soul_harvester#inventory' referenced from: sculkhorde:soul_harvester#inventory: java.io.FileNotFoundException: sculkhorde:models/item/soul_harvester.json
[28Feb2024 19:39:55.737] [Server thread/ERROR] [com.github.sculkhorde.core.SculkHorde/]: BlockEntityChunkLoaderHelper is null. Cannot Load

I hope it helps if this information is useful)

Use a performance mod like embeddium and radium reforged.