contentdir error

[tibor@sky.com]

hello. i added a new disk, but i cannot reference it in the contentdir. the minimserver is installed on another disk. i use qnap.
this is what i get:

contentDir *
/share/My Music
- +
/share/2TB Western Digital/LMS Files
- +
displayName
MinimServer[TheDonNAS]
indexTags
*RecentPlayed
itemTags
listViewAlbums
mergeFolderAlbums
false
tagOptions
tagValue
Click Save to save updated values (marked with *). To cancel these updates, click Cancel.
Must be a directory; correct highlighted value and retry

please help.
many thanks