Additional Update:

We have managed to make already existing savefiles load with this change, however, you will be forced to create a new character and make a new company. Force-joining into the old company will not work. However, you can then reclaim all your structures, ships, and creatures again with the use of admin commands such as:

- cheat takeallstructure

This will transfer all the structures, boats, and claimflags of the previous company, to your own.

- cheat takealldino

This will transfer all the creatures of the previous company, to your own.

- cheat giveallstructure

This will transfer the structure you’re looking at, as well as anything snapped to it, to you.

- cheat givetome

This will transfer the individual object you’re looking at, to you (works with creatures too).

With our upcoming update (v218.24), some critical changes were made to the way Unofficial Non-ATLAS (Blackwood) servers saves were handled. This was in order to resolve the following issues:

Players were randomly removed from their company

Companies being deleted
Being unable to spawn on beds
Beds not appearing on the map
Ships not appearing on the map

After some days of investigating ways in which we can push this update with no loss of data, we've had to acknowledge that it isn't possible to migrate existing saves to the new system for dedicated servers. Given the critical nature of these issues, we don't see putting this update on hold as a viable option. Unfortunately, Non-ATLAS (Blackwood) saves made prior to this patch on dedicated servers will no longer load. This means a new save file will need to be created. Please note that this change only impacts Non-ATLAS Dedicated servers, so Single Player and Non-Dedicated saves will be unaffected.

We apologize to those affected, and we'll always look to avoid wiping or any data loss scenarios when and where possible. We have opted to push this update through quickly in order to allow players and dedicated server owners to get back into Blackwood with little pause.

Thank you for your understanding

Just posted another update to the save file. Technically you could still go with your existing savefile, but it may require some admin intervention if you would like things to function how they did. We've updated the OP to reflect this.

Honestly, it depends on how much administration work you want to do. The admin commands could make this a quick and easy process (moving all the structures/ships/creatures back to their original owners) within minutes or hours depending on how many different people play the game. If it's just a small group, it may be worth just running the commands. If you've not done too much, you may find it easier to restart

Mmm.. you could try using: cheat GiveAllDiscoZones but I am not sure if it'll work on that map.

There are plans for Blackwood to support the missing quests in a future update

Hmm that doesn't sound right. We'll look into the auto saves (I assume you're talking about a Blackwood dedicated server)
In the meantime, if you are having issues with server saves, you can run the command cheat SaveWorld whenever you want a save. No need to take the server down and backup.

Haha, thanks for the tip. News to me

Could you elaborate? Would they be able to take a video of what happens when they try to access the structure? I assume they have the permissions to do so? (inventory rank, etc)