I had the output log open when I started the game and it showed me a warning that programmer art was removed from selected. When I went to reenable it, I noticed the two built-in pack were incompatible. I restarted the game and for 0 warning, 0 errors, and 0 fatal.
Thank you for your report!
However, we are already tracking this issue, and this report is a Duplicate of MC-197355, which is a report that has not been resolved yet.
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