Does anyone know how to tas this game? On the bizhawk emulator every time i try to load up red blue or yellow, because it says it supports gameboy games, it says i dont have the correct frimwire or something. I was wondering if anyone knew how to fix this. I checked TAS videos, but couldn't find anything

Bizhawk probably wants the gbc_bios (the same you used for gambatte-speedrun). You can put it in the bizhawk/Firmware folder
(There is a tas channel on the discord with experienced people in there btw)