Hi! Paid $5 today and got an EA app token, updated through EmuDeck and got an error. What could be the problem? Everything was working before the update 
In order for us to provide better support, we need to see the log generated by yuzu. This guide will walk you through how you can obtain the log file: Getting Log Files - yuzu
That means the keys don’t match the firmware version, making them unable to decrypt Mii services. It’s fine unless you want to run games that use Mii services like Smash or MK8.
Make sure to redump your keys and firmware to latest, and make sure to have the latest tools for it, specially lockpick.