Hello Maria, hello everyone.
I'm having a similar issue. CC libraries work just fine in every app except for Indesign, when I try to drag an asset from any library (mine or linked like the Google Material Design Library) there's an error that reads as follows: "Either the file does not exist, you do not have permission, or the file may be in use by another application"

I have tried several fixes I found online, including this Community, the one from this post, but I have found no solution at all. I contacted the customer service chat, they even took over my iMac but not even them found a solution (They're supposed to get back to me through email).
Is there an optimal way to create libraries?, some sort of "healthy" way that may prevent this kind of error? honestly I just drag and drop and organize by categories.
I used the Log Collector tool, the name is AdobeLogs_20201029_121914_710-mac.zip
I'm running Indesign 16.0


Thank you for your time.
Hi,
Sorry, you are facing this issue. Could you please try the solution:
https://helpx.adobe.com/creative-cloud/kb/fix-broken-links-creative-cloud-libraries.html
Let me know if that resolves the problem,
Thank you,
Mariia