Cannot Play Copyrighted Files; Cannot Select A Previously Selected Track - Sony STR-DN1070 User Manual

cannot expand the folder to display its content.
[274] Troubleshooting Home Network

Cannot play copyrighted files.

Audio content with DRM (Digital Rights Management) copyright protection cannot be played
on this receiver.
[275] Troubleshooting Home Network

Cannot select a previously selected track.

The track information may have been changed on the server. Refresh the server list and
then reselect the server.
[276] Troubleshooting Home Network
Controller devices or applications on the home
network cannot connect to the receiver.
Confirm that the network is correctly set up.
The device is set to [Block] in [Home Network Access Control], or not added to the list.
A maximum of 20 connectable devices has been set. Delete unnecessary devices on the
device list and then set [Auto Home Network Access Permission] to [On].
Server operation of the receiver is suspended if the receiver is conducting one of the
following operations:
Playing a track stored on the server (the receiver is operating as a player)
Updating the software
Formatting the system
Changing the settings
Screen mirroring
[External Control] is set to [Off]. Set it to [On] to control the receiver with a home automation
controller.
When using Video & TV SideView, also see "Cannot control the receiver using a Video & TV
SideView device."
When using SongPal, also see "Cannot control the receiver using a SongPal device."
[277] Troubleshooting Home Network
The receiver cannot be turned on by devices on a
network.
The receiver itself does not support the Wake-on-LAN.
Set [Remote Start] to [On] if you want to turn the receiver on by operating the devices on a
network.
[278] Troubleshooting AirPlay