I have a IMac under macOs BigSur version 11.4 with an Intel processor, the version of Indesign is 16.3.2, when I export a newly created or existing Indesign file in a JPEG format to a NAS, sometimes my files will be 0kb, i don't understand why and it's random.

I put the screenshots in order so you can see my problem.
and I don’t have that problem when I export directly to my desktop.

Thanks