theerror-2.7.1.beta.port-neoforge-1.21.1.jar is a release file of the Minecraft mod The Error (Horror) for NeoForge, made for Minecraft 1.21.1. It was published on September 15, 2026 and is 30 MB in size. For the full description, screenshots and every other version, visit the The Error (Horror) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
