Unknownreported this bug
With the new version meg 4, the resourcepack files are not created correctly, the file "leather_horse_armor" is created defectively.
As a consequence, the model cannot be seen, because no model is loaded into the file. On the other hand in the client console, you can see your own, error attached a photo:
By the way i Attached the 2 files betwen MEG 3 and MEG 4
Meg3: https://hastebin.skyra.pw/ixerikicum.json
Meg4: https://hastebin.skyra.pw/kuwisodamu.json
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