Missing textures. See log in attachment.
Basically it can't bake models, here's first line in that log:
[10:03:52] [Client thread/WARN]: Unable to bake model: 'minecraft:vine#east=true,north=false,south=false,up=true,west=true': java.util.ConcurrentModificationException
Thank you for your report!
However, this issue is a Duplicate of MC-137602.
If you have additional information, please add it to that report.
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