Mod conflicts

Trying to Write Too Many Vertices (>16777215) into BufferBuilder

What it looks like in the log

java.lang.IllegalStateException: Trying to write too many vertices (><so>) into BufferBuilder**

How to fix it

  1. Update Iris Shaders and 3D Skin Layers to their newest builds for your Minecraft version to get fixes for un-flushed shadow render batches.
  2. Disable shaders temporarily (press K in-game, or open config/iris.properties and set enableShaders=false) or disable entity/player shadows inside your shader pack settings.
  3. If you want to keep shader shadows active, remove or disable 3D Skin Layers (and LOD mods like Voxy, if installed) to reduce the geometry queued into the shadow pass.
LoadersFabric, Neoforge
SeverityStops the game
CategoryMod conflicts

Check your own log

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