Ensure you select the Full Dump (not the "trim" version). 2. Update TWiLight Menu++ and nds-bootstrap

This is where most people make mistakes. When you open the 7z archive, you will see several folders. You need to drag specific items to the Root of your SD card (the topmost level, not inside any other folder).

The fastest way to bypass the error is to tell the console to ignore the missing DSi features and run the game as if it were on an older DS Lite. Open and navigate to the game.