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Yeah, I tried to correct it by repointing and changing the palette of the original introductory battle scene back to normal using unLZ, but it still freeze after the intro credit.
The version 1-2-2017 and 1-18-2017 have the same problem as MattDarling when converting the patched GBA file to CIA file with Ultimate GBA VC Injector for 3DS. Pokémon Light Platinum and Pokémon Clover did work. I wonder how you removed the introductory battle sequence so it skip to the start...