link to the game that you couldn't analyse, please.
Sure, here it is:
http://en.lichess.org/analyse/59esfl7aI hope I didn't overlook something obvious...
This is exactly the same pgn, but I put a result in the text:
http://en.lichess.org/analyse/0umzcb8bThanks
Alright, that was a bug. I'm fixing it, so we will be able to analyse unfinished imported games.