If you are experiencing an error code E-82106o4a on your PlayStation 4, there are a few things that you can do to try and fix the issue. First, make sure that you have the latest firmware update installed. If you don’t, you may need to do so in order to resolve the issue. Additionally, make sure that your PlayStation 4 is in good condition by cleaning it and checking for any potential issues with its components. Finally, if all of these steps still don’t help, it may be worth considering purchasing a new PlayStation 4.