We've just released InDesign 17.2.1 version which addresses this issue.
Please update to this latest version using Creative Cloud Desktop application.
In case the fix does not work immediately for you, please try the following:
1) Quit InDesign.
2) Delete the following:
Relaunch InDesign & see if it works properly now.
An error occurred while saving the commentRon Rutten commented
Same problem here. Fonts show up in Photoshop and Illustrator, not in Indesign
Deleting the cache and preferences didn't also solve the problem.