Create Cloud Assets Files Error 500 & Error 404

[Amber 22]

I'm unable to view files from links given in articles :

1)https://creativecloud.adobe.com/discover/article/halloween-brushes-and-vector-shapes

library link- https://assets.adobe.com/public/f00ad830-4459-4767-4020-941c5d6f34ba

2)https://creativecloud.adobe.com/cc/discover/article/vintage-type-reborn-as-photoshop-brushes-and-pat...

File link - https://assets.adobe.com/public/2bdc4d89-3303-4948-6cb0-e1ba953ee161

I keep getting error messages : 

Error 500: Internal Server Error

This asset isn’t available right now. Try visiting this page again later.

OR

Error 404: Asset not found

This asset isn’t available. Try checking the URL or visit a different page

OR

Something went wrong

Your download is not available

How can I download or sync these files to my library?

[Nancy OShea · Accepted solution]

Can you log-in to your paid Creative Cloud account below?

https://account.adobe.com/plans

The Halloween brushes are available to me.  I'm using the latest desktop Firefox browser.  It accepts cookies and does not have script blockers.