hello, you have provided error messages, which is good - but, you have failed to say what's happening 'physically' in-game...... do the ships appear or not?
why i ask this, is that these sort of error messages can be pretty common, due to multiple reasons, but in most cases, the ships work fine, it's just log errors.
if you are just worried about the error messages, i say ignore them.
if the ships are working, then they are working.
if, otoh, they aren't working, we will need to investigate more.
i often see these log errors, but as the ships work fine in the game, i simply ignore them.
we are working on new java methods to eliminate these errors, but most of them do not have an impact on the game itself.
so please let us know if you are just concerned with the log messages, or if the ships in fact don't work in the game.
there is a difference, and we need to know, otherwise you are sending us on a wild goose chase for no real reason.