When the game says the world is "Corrupt" in this case it means "The save is trying to load mods that no longer exist"
If you turn off those mods the save works again.

also yes, it is a huge and impressive ship. the turrets spin and everything.

I played around with adding new space engineers stuff to it, and just used like 6 rail guns for the big cannon (I think I heard someone call it the wave motion gun?) It's fun to see fire.
I actually posted it if you want to try it: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2896151315

Though the original looks better. I get carried away and forget to patch holes in the wall.