You must call LottieSplashScreen.appLoaded() to hide the splash screen after your app is loaded. If you do not call it, the splash screen will remain visible ...
at knot//MC//net.minecraft.registry.RegistryLoader.load(RegistryLoader.java:181) at knot//MC//net.minecraft.registry.RegistryLoader.mixinextras$bridge$method_45121$33 ...