It looks like you are saving to a cloud-share folder.
I wouldn't save directly to that folder as it may start to share while you are still creating the file.
I find it better to work in a non-shared folder and then when you do want to share, copy the file over.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10