While running game code:
File "game/dlc_fafow/setup.rpy", line 2, in <module>
TypeError: list indices must be integers or slices, not str"
If you have this exact error, it means that your dlc version is not up to date.
Remove the dlc file from the renpy save folder.
Launch the game.
Download the latest version of the dlc file, and put it back in the correct folder.
Launch the game again.