What happens:

Server crashes when joining a server with ShulkerBoxTooltip installed on server and client.

What you expected to happen:

That the server doesn't crash and I can preview my enderchest via the mod.

Steps to reproduce:

1. Setup a fabric 1.21.3 server
2. add fabric-api-0.107.3+1.21.3
3. add shulkerboxtooltip-fabric-5.2.0+1.21.3
4. join with a fabric client (also shulkerboxtooltip-fabric-5.2.0+1.21.3 installed!)

Affected Versions (Do not use "latest"):

• ShulkerBoxTooltip: 5.2.0
• Minecraft: 1.21.3
• Fabric Loader: 0.16.9
• Fabric API: 0.107.3
• Other mods (if relevant): no other server-side mods

Your most recent log file where the issue was present:

log file