So here is the problem i created a Menu for when it player comes in the server they have the menu.so after that i created a textbutton for to selet a mission and created another frame for it to go to that frame once player clicks button.but this only works while im testing in studio but doesn't works when i save it go to the page to play it.
Since you gave no details about it and based on your reputation, I suppose it's a LocalScript issue. Is it a local script? is it inside a player backpack, a player gui or a player character?