I've got the exact same problem in the Danzig mission. The tonnage is shown in log but the objective bar isn't filling up and the date is just 00-00-00.
For what it's worth, I've got Ubi launcher in offline mode and I have the following mods installed in this order:
Edit: I was destroyed after I sank a Hog Island type A Freighter at sea and I reloaded a savegame - and now the bar had filled up 50%! Is the progress bar just kinda slow? I suspect a faulty DRM system, too. Go figure.