Which are you using (Original, XL, New 3DS, or 2DS)?

Method 2: Using Forwarders (Alternative via Twilight Menu++)

And if you need help creating your own CIA, reply with your setup (3DS model, CFW version) and I’ll troubleshoot.

It is the only game in the series where you control four characters at once—Mario, Luigi, and their baby selves—using all four face buttons ( Expect about to finish the main story. Max Level: For completionists, the level cap is Official Status: This title was never officially remade for the 3DS, unlike Superstar Saga Bowser's Inside Story We Reached Level 100 in Mario & Luigi: Brothership