Information

Environment information
Plugin + server version info:

Start Marriage Master version info

Marriage Master: 2.2.11-Release
Server: git-Paper-267 (MC: 1.16.4)
Java: 1.8.0_191
MVdWPlaceholderAPI: 3.1.1
PlaceholderAPI: 2.10.9

End Marriage Master version info

Online mode:
NO

BungeeCord:
YES

Server/crash log
NO

Plugin config (optional)
NOT REQUIRED

Details

Description
When a player opens up ProCosmetic GUI, they could "/marry gift" the selector item to their partner.
https://user-images.githubusercontent.com/51330952/102966849-b0f9c000-452b-11eb-85ba-b56dcbdb1708.mp4

Steps to reproduce

1. Open ProCosmetic GUI menu with /pc open main
2. Select the item u wana use
3. Select the item on your hotbar and do /marry gift to your partner
4. Bug achieved.

Expected behavior
Should not be able to execute this command on this item/nbt

Other information (e.g. detailed explanation, related issues, suggestions how to fix, links for us to have context, screenshots, etc.)
This happened with CMI's /hat, and it was fixed. I believe it could be fixed on your side too.
Zrips/CMI#4772

If you require the plugin for testing, please do add me on discord so I can share it with you with the permission from the dev.
Discord ID: BboyZeroOne#6251

v2.3 added the option to filter items that can be gifted.