I noted a strange thing. When I use my characters the game, Mostly in the cases works great but when I use another account (Like the shared ship Core|WV-Diaboli) this, after a bit of time, crashes! Is it possible that some account could have crash problems and another ones not? Why?
Happens to me too pretty often, which is the reason when I transfer equipment from ship on another and the person that helps me has to wait quite long, if the chars are on other accounts. :|
There were always problems with accounts, mostly fixable by moving the ships to a brand new account.
While it's not that easy to move shared ships, you need to life with that.
My game does not crashes with a single account, but just in presence of Core ships without the new enginge, NPC included. To resolve provisorially the problem, I chose another character in the same account and then re-chose the other interested character, from that moment the game never crashed. With other accounts that they don't encounter any Core ship the game goes well, for this I think that the problem is about the Core ships.