Vagrant/VM Error After Moving/Renaming Parent Directory

Because it's always something...

After moving a parent directory that contains your Vagrant config you might get the following error:

NFS is reporting that your exports file is invalid. Vagrant does
this check before making any changes to the file. Please correct
the issues below and execute "vagrant reload":

exports:8: path contains non-directory or non-existent components: /Users/username/path/to/shared/dir
exports:8: no usable directories in export entry
exports:8: using fallback (marked offline): /

To fix this, you can edit your /etc/export file with sudo privileges and do a vagrant reload

somewhat related source: