Did you use the pcm pack from https://gbatemp.net/threads/hakchi2-nes-mini-very-simple-pimp-tool.456256/page-139 only or you are using also another pcm pack to make Clover-ui access to RA games?
Rgs.
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If you don't explain more of the previous data, it'll more difficult try to help you. With no more Info I think that you put more games that mini supports. But gives us more info. And your mini will back to lifeIt comes on but as soon as I start a game, it goes blank then I get that error screen
Rgs.