***************
*** 8,13 ****
  import net.minecraft.block.BlockState;
  import net.minecraft.client.renderer.BufferBuilder;
  import net.minecraft.client.renderer.vertex.VertexFormat;
  import org.lwjgl.opengl.GL20;
  
  public class SVertexBuilder
--- 8,15 ----
  import net.minecraft.block.BlockState;
  import net.minecraft.client.renderer.BufferBuilder;
  import net.minecraft.client.renderer.vertex.VertexFormat;
+ 
+ import org.lwjgl.opengl.GL11;
  import org.lwjgl.opengl.GL20;
  
  public class SVertexBuilder
