Armors are being shown as pure black or leather

[X] I'm using the very latest version of ItemsAdder and its dependencies.
[X] I am sure this is a bug and it is not caused by a misconfiguration or by another plugin.
[X] I've looked for already existing issues on the Issue Tracker and haven't found any.
[X] I already searched on the plugin wiki to know if a solution is already known.
[X] I already searched on the forums to check if anyone already has a solution for this.
[X] I tested this with just ItemsAdder and its dependencies and with a vanilla client of the same version as the Server.

ashleyfoxxx

I have a lot of cosmetics (custom armors, items, etc) but only I can see them. all of them in the server can see black. For example on this video. https://drive.google.com/file/d/1iAwXpEzrZl70-IgPBoa7coFEmchaRiDP/view?usp=sharing

They can see icons, non armor items, but not armors.

Go to ItemsAdder folder
go to contents folder.
drop the cosmetics/custom items' folders.
iareload and iazip (using lobfile)
i can see them perfectly but all of the players can't see them. They can see armors as pure black and others are just colored leathers. The rest (non armor items) can be seen by them

This server is running Paper version 1.20.6-149-ver/1.20.6@6e71f41 (2024-08-24T09:37:06Z) (Implementing API version 1.20.6-R0.1-SNAPSHOT)

ItemsAdder version 4.0.2-beta-release-12 but tried the latest version with no luck. Same issue

ProtocolLib version 5.3.0

LoneLibs version 1.0.59

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PluginBugs / Issues-ItemsAdder