opening netCDF (macbook air)

Hello!

I am trying to open a netCDF file, downloaded from the EMSO observatori ESTOC-C with Rstudio 3.6.2 on a mac, but I can not.

Anyone knows why?
Thanks!

Arturo

I already set the working directory and checked if there is any mistake on the writting for many times.
I tried the same script in a PC and it worked. So, I suppose is something specific related with Macintosh.