patch_mp_aground.ff is different from the server.

I have this error with all face off maps and I deleted caches file but this error continue please help. Sorry if this topic is post yet.

Well, that file is part of the updater. So, unless your game installation is not in english, that error should be fixed by deleting caches.xml

If your game is in spanish, you can always try copying the contents of "zone\english" to "zone\spanish" (you'll fix that error about patch_mp_aground_ss.ff, but you'll face some other problems later with a non-english installation)