[1.21.8] NeoForge startup error: The mod Architectury uses the @OnlyIn annotation

[Infinituum17]

Main issue

I just managed to run NeoForge 1.21.8 (after reporting an Architectury Loom bug), and rn I get this error.
No error in the console.

Versions

enabled_platforms=fabric,neoforge
minecraft_version=1.21.8
fabric_loader_version=0.17.2
fabric_api_version=0.134.0+1.21.8
neoforge_version=21.8.47
neoforge_loader_version=4
architectury_api_version=17.0.8

id 'dev.architectury.loom' version '1.10-SNAPSHOT' apply false
id 'architectury-plugin' version '3.4-SNAPSHOT'