key problems

First, we enter %appdata% and go to:
C:\Users\user\AppData\Local\EA SPORTS FC 25\settings

We delete the file and restart the computer. Then, we launch the game through the EA App.

We create a new controller settings file.

First, we assign the desired button mappings while "Classic" is selected, and save it to the top slot as "Custom A".

When we see "undefined" again, we select the "Classic" setting and reassign the necessary button mappings.

We save it to the bottom slot, which is "Custom D".

Exit the settings and return to the main menu, then go back into the controller settings.

When we see "Undefined" again, we select "Custom A".

Exit the settings and return to the main menu, then enter the controller settings one more time.

This time, "Custom D" should now be selected automatically.