After a seemingly random amount of time of using the mod, skins will fail to load when used by players. This affects both singleplayer and multiplayer. I am using MultiMC, playing on version 1.12.2.
at net.minecraft.client.renderer.vertex.VertexBuffer.func_177358_a(VertexBuffer.java:50) at com.github.lunatrius.schematica.client.renderer.chunk.container ...