So ive made a modpack. and every time i export it. import it or export and upload it to the curseforge modpacks. it breaks. so when ever i load it. all that happens when i hit play on the minecraft launcher. it just shows a message with no log of what happened. and no reason. just says. the game has crashed. sorry for any inconvenience. but the original profile (that i didnt export) works perfectly fine.