Horse armor equip issue

[rdni]

Skript/Server Version

[17:25:18 INFO]: [Skript] Skript's aliases can be found here: https://github.com/SkriptLang/skript-aliases
[17:25:18 INFO]: [Skript] Skript's documentation can be found here: https://docs.skriptlang.org/
[17:25:18 INFO]: [Skript] Skript's tutorials can be found here: https://docs.skriptlang.org/tutorials
[17:25:18 INFO]: [Skript] Server Version: 1.21.1-DEV-077c3a9 (MC: 1.21.1)
[17:25:18 INFO]: [Skript] Skript Version: 2.9.2 (skriptlang-github)
[17:25:18 INFO]: [Skript] Installed Skript Addons: 
[17:25:18 INFO]: [Skript]  - skript-placeholders v1.6.0 (https://github.com/APickledWalrus/skript-placeholders)
[17:25:18 INFO]: [Skript]  - skript-gui v1.3 (https://github.com/APickledWalrus/skript-gui)
[17:25:18 INFO]: [Skript]  - skript-reflect v2.4 (https://github.com/SkriptLang/skript-reflect)
[17:25:18 INFO]: [Skript]  - SkQuery v4.1.10
[17:25:18 INFO]: [Skript]  - SkBee v3.6.1 (https://github.com/ShaneBeee/SkBee)
[17:25:18 INFO]: [Skript] Installed dependencies: 
[17:25:18 INFO]: [Skript]  - Vault v1.7.3-b131
[17:25:18 INFO]: [Skript]  - WorldGuard v7.0.12+829a4a4

Bug Description

Horses cannot be equipped with leather horse armor with the equip effect. All other horse armors work, however Material.LEATHER_HORSE_ARMOR is missing here.

Expected Behavior

The horse should have the leather horse armor equipped.

Steps to Reproduce

Summon a horse, and attempt to equip it with horse armor.

summon horse at player
equip last spawned horse with leather horse armor

Errors or Screenshots

No response

Other

No response

Agreement

• I have read the guidelines above and affirm I am following them with this report.