"The block named red_sand used in a "blocks.json" file does not exist in the registry" error when opening a world with certain resource packs enabled

Summary:
When opening a world with the Star Wars, Steven Universe, Ice Age, Nightmare Before Christmas, or Toy Story resource pack enabled, the following content log error appears:

[texture][warning]-The block named red_sand used in a "blocks.json" file does not exist in the registry

This issue also occurred in 1.20.70.65 Preview, but it does not occur in 1.20.62.

Steps to Reproduce:

1. Enable "Content Log GUI" in Settings > Creator
2. Open a world with any of the resource packs listed above enabled

Observed Results:
A content log error appears.

Expected Results:
No content log error should appear.

Screenshot: