Moving the model-loader registration also moved API initialization, which in turn means the creative tab needs to be initialized earlier. (#4682)

src/main/java/appeng/core/AppEng.java

@@ -90,11 +90,11 @@ public final class AppEng {
         ModLoadingContext.get().registerConfig(ModConfig.Type.CLIENT, AEConfig.CLIENT_SPEC);
         ModLoadingContext.get().registerConfig(ModConfig.Type.COMMON, AEConfig.COMMON_SPEC);
 
-        proxy = DistExecutor.safeRunForDist(() -> ClientHelper::new, () -> ServerHelper::new);
-
         CreativeTab.init();
         new FacadeItemGroup(); // This call has a side-effect (adding it to the creative screen)
 
+        proxy = DistExecutor.safeRunForDist(() -> ClientHelper::new, () -> ServerHelper::new);
+
         IEventBus modEventBus = FMLJavaModLoadingContext.get().getModEventBus();
         registration = new Registration();
         modEventBus.addGenericListener(Block.class, registration::registerBlocks);