Fri, Jun 14
It would also help to know the layout of your files. What directory is set as the project directory? You're using drive R:, is that a network drive (if so, which protocol?) or a local disk?
Thu, Jun 13
Wed, Jun 12
Please give us files we can use to reproduce the issue. The blend file you uploaded packs just fine, albeit with warnings about missing files.
Tue, Jun 11
Which version of the Blender Cloud add-on was used?
Sun, Jun 9
Please re-test with Blender Cloud add-on 1.13.4