LS220 Dropped from Network

[dumbuser]

Last summer I installed an LS220 and had it set up four shares (I may be using improper names, forgive me) fine.  A couple of weeks ago I looked at the LS on my using Files Explorer, I am running Windows 10, and noticed that one of my shares had disappeared and well as any indication on my network referring to the LS220.  I can still access the shares fine.  I checked Navigator 2 and all of my shares show up but the missing one shows as empty.

I tried to delete the empty share but did not see how to do that in the manual.  I also tried to create the same share using a different name for the share.  I never got a screen that would allow me to designate what folders on the array I wanted the share to contain.

I need some guidance rather than just going in and doing things that might make everything worse.