If you want to keep English and also add Arabic:
Downloading and installing commentary files for varies significantly depending on whether you are playing on PC or the mobile version. Since the game is no longer officially supported by EA servers, many users rely on manual file placement or community patches. FIFA 14 Mobile (Android/iOS) Fifa 14 Commentary File Download
Downloading exists in a gray area.
This happens when you mix commentary files from different regions. Restore your original data/audio/stadium folder backup. Or, reinstall the game’s base patch. If you want to keep English and also