yyz's backpack restrictions

Prevents backpacks from yyz's backpack to be placed into Shulker Boxes and Bundles.

479 Downloads

fabricequipmentstorageutility

About this Mod

Simple Fabric mod that prevents backpacks from the yyz's backpack mod to be placed into Shulker Boxes, Bundles and any other container items, such as backpacks from other mods.

This feature will (hopefully) be part of yyz's backpack soon.

Available Versions

yyz's backpack restrictions 0.0.3release

MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9fabric

March 6, 2026

yyz's backpack restrictions 0.0.2release

MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9fabric

March 4, 2026

How to Install yyz's backpack restrictions on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.9).

Install Mod

Open the mod browser in the dashboard and search for "yyz's backpack restrictions". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.9, 1.21.8, 1.21.7 (+6 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

yyz's backpack restrictions server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.9). You can switch loaders with one click in the panel.

Is yyz's backpack restrictions compatible with fabric?

yyz's backpack restrictions officially supports fabric for Minecraft 1.21.9, 1.21.8, 1.21.7. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with yyz's backpack restrictions – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if yyz's backpack restrictions consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.