save corruption due to mods
when loading a new world with active mods you cannot spawn in a ship from the blueprint screen, doing so disables the mod section of the block menu and corrupts the save. however if you select the modded block before spawning a ship you can still place the modded block, after exiting the world you cannot return to the world as it corrupts after a save. i have been able to play a normal game with mods active and return to the world after a exit save if i have not spawned in a ship, some of the mods also show as critical errors, however these mods are not the ones causing the issue. even just having 1 stable mod active will do this if a ship is spawned, you can build a blueprint ship using a projector without the save corrupting.