UNABLE TO ADD MOVIES TO PLEX ON A SYNOLOGY

This is a common issue when you first install the synology.

To fix it you simply need to allow the proper permissions on the Share.

Log into your synology

Click Control Panel

Edit your Shares

And set the permissions as shown here:

Plex needs Read/Write access

Save it

Now you can go back to your Synology Plex App

Add the library

You will most likely find your files in Volume 1 \ Plex