The error occurs when the TV SideView application cannot register the Blu-ray Disc player. This is due to the specifications for TV SideView registration. Please ensure your Blu-ray Disc player meets either one of the following conditions for registration:

• The Blu-ray Disc player should display the name of your device such as phone or tablet in the Registered Remote Devices setup item under Network Setting of the menu.
• The Blu-ray Disc player should be in the Screen Saver mode.