Hi, first post so it's probably in the wrong place!

Been playing Endless Ocean UK since release date and everythings been Ok up till now but since yesterday I've started noticing this problem with the game:

I can no longer reach the ship/plane wreck site because the old ship you need to use to reach it either shows up as a second dive ship the same as my own, or shows up as it should but too far away for me be able to swim to (outside the dive area despite the map showing it within the area), or doesn't show up at all!

I've completed the main game story and found about 70-80% of fish and salvage items.

I didn't know if anyone else has had this problem or heard anything about it?