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Recently unable to add items to any new collections. "Unknown failure" error message.
Recently I can not add items, from their workshop page, to any new collections I create for different games. Back in June, two Cities Skylines collections were created and those accept items. No issues there :).
Now, whenever attempting to add item will prompt this error message,

" There was a problem adding this item to the following collections: [collection name] - unknown failure ".

Troubleshooting :
Tried signing out completely, restarting PC. Created collections from Chrome, Firefox and Steam client. Each new collection = same error msg. Tried a different game, Banished. Same result for new collections.

??? : While creating or editing a collection, I can add/remove items. But the restrictions creates a long process to sort mods/assets.

Has anyone been having this problem as well? Thanks for reading! :)

Relevant issue link : https://steamhost.cn/steamcommunity_com/discussions/forum/1/2149847423921673729/
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Showing 16-30 of 39 comments
CPCSilver 12 Jul, 2020 @ 5:40pm 
Originally posted by Jaymate:
How to report the issue?
You could go to Help > Support and find the option to contact the support in Community, then following the choices at the bottom.

But I did not get lucky with them. The first answer asked me to re-install Steam client properly, which I don't need because the issue also occurs on Steam website with Chrome. The second answer was to tell me that they don't fix issue for Steam Workshop items and that I have to contact the authors directly...

I can link more than 40 items that I cannot add to my Collection from the "Add to collection" button, but ok. At this point, I'm not sure if I should insist with the support.
antzkillr 12 Jul, 2020 @ 9:42pm 
I reported this ten days ago to Steam support. Their answers were "we don't have a fix for it at this time", "check the forums for suggestions", and "we're closing the\s Help ticket". Utterly useless.

Nonetheless, you should still report it. Everyone needs to report any issue with the Steam client. They apparently need to see it as a problem affecting many people, not just one person, before they will take ownership and fix it at their end.
Last edited by antzkillr; 12 Jul, 2020 @ 9:43pm
macluk 13 Jul, 2020 @ 10:33am 
@Jaymate and others:
- click on Support in the top bar menu

then the rest is up to you; I chosen that path:
- steam community
- i need help with something not listed here
- contact steam support

if they close it unresolved... I'd do it again and tell them how they are adding to your aggravation :)
macluk 13 Jul, 2020 @ 10:37am 
@Tadoké Is N Aint - it's a slightly different issue but you might have spotted it as well.
I think it depends how many assets and mods one has... possible over 1000 creates an issue:
when you edit any collection and you got to the tab: subscribed item (or any as for that matter but i don't use "favourite" option as it's useless) - the items there are listed alphabetically so when you scroll to the very bottom... does it go to the very last asset ? or does the list stop somewhere in the middle of your assets list? say on letter X or O or even worse, H? :)
antzkillr 13 Jul, 2020 @ 5:40pm 
This "unfixable" (per Steam Support) issue seems to have mysteriously corrected itself. I can add and delete assets to previously made Collections, create a new Collection, and now I can add an asset to the new Collection as well. All appears back to normal.
Last edited by antzkillr; 15 Jul, 2020 @ 6:38pm
jaymate 14 Jul, 2020 @ 12:30am 
Yep issues has been fixed :)
Tadoké Is N Aint 15 Jul, 2020 @ 3:08pm 
UPDATE : 0 issues with collections. :)
Master Rhokai 11 Aug, 2020 @ 7:12pm 
Still seems broken for me :(
JenkoRun 15 Oct, 2020 @ 7:25am 
Still broke.
Swiftshade 27 Dec, 2020 @ 9:42am 
Issue still prevalent - STEAM - please fix this error! It is becoming very problematic and wasting people's time.
Ventru 4 Feb, 2021 @ 3:38am 
The issue still occurs. Will it be fixed or STEAM just don't care and is waiting for EPIC to start with their own workshop so people can go elswere to play the games?
VortexSoul 4 Feb, 2021 @ 3:54am 
happen to me today as well
Master Rhokai 4 Feb, 2021 @ 5:03am 
it's an issue that comes and goes, if it happens to you, just wish real hard every day until it goes away.
★Mythic★ 6 Feb, 2021 @ 4:11pm 
Originally posted by Tadoké Is N Aint:
Recently I can not add items, from their workshop page, to any new collections I create for different games. Back in June, two Cities Skylines collections were created and those accept items. No issues there :).
Now, whenever attempting to add item will prompt this error message,

" There was a problem adding this item to the following collections: [collection name] - unknown failure ".

Troubleshooting :
Tried signing out completely, restarting PC. Created collections from Chrome, Firefox and Steam client. Each new collection = same error msg. Tried a different game, Banished. Same result for new collections.

??? : While creating or editing a collection, I can add/remove items. But the restrictions creates a long process to sort mods/assets.

Has anyone been having this problem as well? Thanks for reading! :)

Relevant issue link : https://steamhost.cn/steamcommunity_com/discussions/forum/1/2149847423921673729/
Having the same problem with garys mod :/
Simaster48 4 Jul, 2021 @ 4:21am 
The issue might be that file you are trying to add for the collection is set as Unlisted, this have been the issue for me lately.

If you are the owner of the file in question then unlisted shouldn't be an issue.
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Date Posted: 6 Jul, 2020 @ 9:49am
Posts: 39