Meteor Rejects Addon 1211 Upd Access

When jumping across game updates, check the to see if any specific modules conflict with other optimization mods like Sodium or Lithium. If you need help configuring your setup, tell me: What other mods are in your Fabric profile?

To use the addon, it must be installed alongside the base client in a environment:

The validation engine flagged three critical issues that prevented the add-on from being whitelisted. meteor rejects addon 1211

Follow these solutions in order. The first solution resolves 80% of cases.

I’m unable to locate specific, verifiable information about an addon named — it does not appear in official Minecraft addon databases, known mod repositories (like CurseForge, Modrinth), or mainstream tech/development documentation as of my current knowledge. When jumping across game updates, check the to

meteor run

Meteor Client requires Java 17+ and a specific Minecraft version (e.g., 1.20.4). If you are using an older Java runtime or an unsupported Minecraft build, the addon verification fails with a generic "rejects" error. Follow these solutions in order

You cannot use an outdated Meteor Client with a newer game version, nor can you use a bleeding-edge devbuild with an older addon. Go to the official Meteor Client website.

Typical usage patterns (Node/Meteor server code):