The issue has been fixed with Apple’s MacOS High Sierra 10.13.4 Beta (17E139).
You can try out the fix by updating your machine to the beta update from Apple.
Let us know if the issue is fixed for you after aforementioned High Sierra beta update.
An error occurred while saving the commentRobert Adamson commented
I am using CS5.5 and OS 10.13.6 and I cannot package a single font. Even a blank text box causes ID package to fail. Packaging used to work fine until recently. I can still package objects, but fonts simply don't work even though they are nice little play with everyone Adobe and Google fonts.