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 commentJosh commented
Same issue, High Sierra CC2018. Have to save INDD to desktop then I can package to server. Needs to be addressed. This is causing massive workflow issues.