Subaru 2015 BRZ Owner's Manual page 321

Reference
Message
In CD or MP3/WMA mode
Check DISC.
DISC Error.
Error (temperature is too high).
No music files found.
No support.
320 Other
Cause
The disc is dirty or damaged.
The CD or MP3/WMA player is not operating for some
reason.
The temperature of the CD or MP3/WMA player is
abnormally high.
No playable music data is recorded on the CD-R/RW
disc.
Non-supported music data is recorded, or license-
controlled music data is detected.
Action
The inserted disc is dirty or upside down. Check the
disc for dirt and check its orientation.
If the disc is dirty, clean it. If the disc is upside down,
orient it correctly. Do not use scratched or warped
discs.
Eject the disc.
Wait until the temperature decreases without
*
performing any operations.
Insert a CD-R/RW disc on which playable music data is
recorded.
Insert a CD-R/RW disc on which playable music data is
recorded.