I tried to change the cofig file of an armor (custom model) but it did not work, and I don"t know why?

The config for the helmet:

[custom_armor.Griefer_Helmet]
stun_armor = 0.75
weight = 5
registry_name = "savageandravage:griefer_helmet"

Version?

Version?

Minecraft version: 1.16.5
Mod Version: 3.1.3

Which doesn't work? Are the values ​​you set not being applied properly?

Sorry for not answearing for so long.
It seems that the mod doesn't see a cofig file at all. I tried changing armors- Still the same bug with textures.
Tried changing weapones- weird staff happened. I downloaded a cofig file version compatible with spartan Weaponery, and there was nothing missing in config file. but The game crashed instantly. On launch.