www.makemkv.com

This is the error code I get for Playtime (Jacques Tati) BD from the BFI.

DEBUG: Code 1 at (Hdj:wi\!oT>f,%G{M}R:29396092
DEBUG: Code 0 at p/oBxyUEdu%"Y%.!|:<n:213130030
DEBUG: Code 0 at p/oBxyUEdu%"Y%.!|:<n:29393309
DEBUG: Code 0 at RKoJ|#<CR4OiEPoWM,vur:121265775
LIBMKV_TRACE: Exception: UpdateTrackInfo failed
Failed to save title 0 to file M:/Playtime/title00.mkv

Do this please:

http://www.makemkv.com/faq/item/8

Just to note that I have since managed to rip this successfully. I suspect a network issue at my end.