Support will eventually reach out to you if the issue does not get resolved. That will require some patience as at the moment they are somewhat backed up. So it may take several days or longer.
In the mean time, it is in your best interest to respond to fellow users who are willing to help. Even if their questions and suggestions do not provide a solution, it will give valuable information for support.
As I suggested before, rebooting your router might help. Have you tried this?
Also, do you have another computer that you can use to validate that the shared folder is still accessible.
Although I don’t believe that removing and re-adding the exact same share is going to resolve anything, the article below does suggest that it should be possible.
You might also want to check the following
Maybe Roon does an automatic conversion, but one thing I always find strange as a file path such as
\\192.168.1.253\music
on a linux based machine. This is a typical Windows notation.
You could try editing the path to the NAS share to
smb://192.168.1.253/music
which has been proven to resolve a NAS connectivity issue as well.