Hi, I saw a similar problem from one other player only and did not found the cause, I can tell it's not something supposed to happen, well I have the game since 2013 and never lost any of my local saves and Workshop sub.

I use my Workshop as backup system and I have a lot of my creations saved over there.

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The only thing that can give a lot of problems is the in-game Steam Cloud we can enable from game options, that Cloud is made to create "Cloud Blueprints" that are not saved at all and a lot lost those thinking they were saved.

More info about the Cloud added to that pinned important :

Can't upload to Workshop - Workaround(s) Pin 📌
https://steamhost.cn/steamcommunity_com/app/244850/discussions/1/3267935171647013488/

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That said, may be better for you to create a new Workshop collection since losing all Sub can happen with your Steam account.

-> Go to SE Workshop main page -> Mouce over the link named "Browse" -> Select Collections and create a new one where you will add all your Favorite Workshop items.
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You will be able to Sub to all in one click if it happens again, collections have a "Sub to all in" button.

I will add :

You should still have your Modded saves !?

-> Mods are downloaded and installed auto when loading a Modded world.

Just have to look at the Mods in the "Edit Settings" button, we can Sub to the Mods from there, select the Mod on the right list and click the "Open in Workshop" button.

Do the same for all Mods and go create the collection before you lose all again.

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Publish your Modded saves on the Workshop, too so you can load only one world having all your tested Mods.

just had this happen to me a week ago, all my subscriptions gone, so i subscribed to a few yesterday, all was well for the today, then they also vanished by the evening, but oddly not the ones from the server im playing on at the moment :(

Originally posted by KiwiBear:

just had this happen to me a week ago, all my subscriptions gone, so i subscribed to a few yesterday, all was well for the today, then they also vanished by the evening, but oddly not the ones from the server im playing on at the moment :(

Still very strange problem that is not supposed to happen, well I play since 2013 and have +6000 Local Saves, Local Blieprints and Workshop subs and never lost any.

But Steam works in mysterious way, sometimes.

ive also been playing SE for about 5yrs and had no issues till now, all my local saves, personal mods and blueprints are untouched, its just the Workshop Subscriptions im/were having the issue with, i subscribed to about 10 workshop mods yesterday evening for a test run and today all are now unsubscribed and im not sure whats going on, could this be a Steam issue or a Keen Issue! as its very frustrating on having to resubscribe to a workshop mod on a daily bases :(

also, each day when i come to login into the public server i play on, it has to re-download all the mods, when i get in game not all the mods are working so i cant play the game senario properly

I have noticed other players on Keen Discord saying they are not able to download Mods since 2 days and looks like a temporary Steam servers down.

You may report to Steam Support to see what they will reply, it's in "Help" on top of your Stesm app.

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Why not report to the SE Programmers in same time, one or the other should give you more information.

-> Click "Submit Bug" or "Request help" on the Support Portal to have a SE Programmer testing the bug for you and be able to chat with you.

https://support.keenswh.com/spaceengineers/pc
(create "Bug report" or "Request help"(Private) or "Feedback"(Petition) on the Portal)




Ref.:
General Information - Useful Links - FAQ Pin 📌
https://steamhost.cn/steamcommunity_com/app/244850/discussions/0/4622335767039372629/

Originally posted by KiwiBear:

also, each day when i come to login into the public server i play on, it has to re-download all the mods, when i get in game not all the mods are working so i cant play the game senario properly

Best advice I can share is to create a local "Testing world" set creative mode, lets say use the Red ship v2 sandbox world where you will add and load all server Mods one at a time.

-> add one Mod
-> load to see if all good,
-> save and exit to add the second Mod
-> and so on for all the Mods used by the server.

= It should be faster to join the Server once all Mods will downloaded one at a time to your PC drive.