IndexOutOfBoundsException error from Matrix plugin when handling packets

[thisisaef]

Describe the bug
When a player clicks in the interface window (such as a container window), the Matrix plugin catches an exception and throws an IndexOutOfBoundsException

Expected Behavior
The server should process the click event correctly, and the player should interact with the container without issues.

Actual Behavior
Instead of processing the click event, the server throws an IndexOutOfBoundsException, causing the player to be disconnected with the error message "Internal Exception: io.netty.handler.codec.DecoderException"

Steps to Reproduce

1. Have a player open a container window on the server.
2. Attempt to interact with the container (e.g., click on an item).
3. The exception occurs and the player gets disconnected.

Software brand
Beckend: PaperMC 1.21.1-69-925c3b9
Proxy: Velocity 3.3.0-SNAPSHOT (git-3c23ee75-b430)

Plugins
Matrix v7.10.3
packetevents v2.5.0+99acbe496-SNAPSHOT

Screenshots
#1

#2

Additional context
Include any other helpful information, such as server logs (like the one you provided), or configuration files that may help reproduce the issue.

[jtJava]

You should provide a full stacktrace

[thisisaef]

You should provide a full stacktrace

What do I have to do?

[booky10]

You need to send the full error

[thisisaef]

Because of the ecoenchants plugin, when clicking on an item with this plugin's special enchantment, the player will be kicked out of the server.

video: https://github.com/user-attachments/assets/f74bd110-f16f-416f-8feb-352b7ec6cc6e
latest.log: https://paste.helpch.at/waxuhopexe.makefile

[booky10]

i cant reproduce the issue shown in your video with the latest packetevents build
have you ensured your matrix version is up-to-date?