I contacted support and they helped me fix it with the following steps. In summary, you need to turn off auto-update in the Creative Cloud app, sign out of your account in the Creative cloud app, force all running Adobe processes to quit, relauch the CC app, sign in again, and then it should work. Step-by-step below.
1. Open the Creative Cloud Desktop app.
2. Click the gear icon on the top to open settings.
3. Click "Apps" on the left.
4. Switch off "Auto-update".
5. Click done.
6. Sign out of your account by clicking the circle in the top right of the Creative Cloud window.
7. Quit the Creative Cloud Desktop app.
8. Open your Activity Monitor (in your /Applications/Utilities/ folder on macOS).
9. Type "adobe" into the search field to show all active Adobe processes.
10. Select them all and force them all to quit. After they quit, you can quit the Activity Monitor.
11. Launch Creative Cloud Desktop app and sign into your account again.
12. Download the apps (Photoshop, Illustrator, etc.) that you want.
Hope this helps!
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