mount error(115): Operation now in progress. Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

I am following the steps listed here to try to get my WD Passport Wireless Pro 3TB HDD to work with Lubuntu 18.04: http://tutodir.com/how-to-mount-wd-my-passport-wireless-pro-on-ubuntu/ I run into the title error below: [email protected]:~$ sudo mkdir /mnt/MyPassport [email protected]:~$ sudo mount -t cifs -o guest //MyPassportIP/MyPassport /mnt/MyPassport mount error: could not resolve address for MyPassportIP: Unknown error [email protected]:~$…

Details