replace

pathfinding/actions/ActionClimb.java

@@ -102,6 +102,6 @@ public class ActionClimb extends ActionPlaceOrBreak {
         //once we are pointing the right way and moving, start jumping
         //this is slightly more efficient because otherwise we might start jumping before moving, and fall down without moving onto the block we want to jump onto
         //also wait until we are close enough, because we might jump and hit our head on an adjacent block
-        return Minecraft.getMinecraft().player.getPosition0().equals(to);
+        return Baritone.playerFeet.equals(to);
     }
 }