Collection is visible to one user but missing for another with the same access

Two users with the same account type and similar tag permissions open the same parent collection, and one of them sees fewer sub-collections than the other
Our collection is showing up for me but nobody else. Is there a reason why, or how can I fix this?
I can't get the latest collections to show up, so I can't upload pictures. It concerns the men's latest match against X team
You can't find or select a collection in Upload or Collections, while admins can see it and other collections appear as usual

Check what the user is allowed to see
- Open the collection as a user who can see it, and note the tags inside it
- Go to Configure > Users, open the affected user and compare those tags with their Exclude tags and Tag access e.g. an AND rule on photo or a NOT rule on video
  - How does the "Exclude Tags" field in a user's settings work?
- Open a media in the collection, click the lock icon and check the user's account type is selected under Manage access
  - How do I manage which account types have access to media or collections?
Give the user access to at least one media
- Remove the collection's tags from their Exclude tags and click Update user
- Or upload one media with none of their excluded tags, one tag from their Tag access, and their account type under Manage access
- If the collection is empty, turn on Empty collections
- Please contact your platform administrator to request that Users > Can edit users permissions be enabled for your account
- If you're unsure who your platform administrator is, please reach out to the ScorePlay Support team via Live Chat, and we'll help you identify the right contact
Workaround: send an external upload link
- Send the user a link from Upload > Generate external upload link
- They can upload with it even while the collection is hidden

A collection only shows for a user when it holds at least one media they can see
The user's tag rules and each media's Manage access decide which media they can see
You always see media you uploaded yourself, so the uploader still sees the collection

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