use FailThrough when available

common/addons/config-biome/src/main/java/com/dfsek/terra/addons/biome/BiomeAddon.java

@@ -26,6 +26,7 @@ public class BiomeAddon extends TerraAddon {
                 .then(event -> {
                     event.getPack().registerConfigType(new BiomeConfigType(event.getPack()), "BIOME", 5);
                     event.getPack().applyLoader(PaletteHolder.class, new PaletteHolderLoader());
-                });
+                })
+                .failThrough();
     }
 }