Is there a 'unmount device' macro?

This script works without errors.

I have deactivated 2 disks (FCP X SSD & YouTube Backup) with the "List & Eject Script (2.2) and try to activate them again with the Mount Disk Script.
However, it only activates the FCP X SSD and for the other one I get this error message:

2018-08-14_18-50-26

Hi Alexander,

I can reproduce that error if I put a typo in the disk name.

So, are you sure you correctly spelled the names of your disks?

(For example the usual spelling of *ā€œYoutubeā€ is ā€œYouTubeā€)