Avatar CDN loading broken - "Tried accessing nonexisting field (avatar_spec)"

Hi, I'm experiencing an issue where remote avatars are showing as a default/purple fallback instead of loading from CDN. This worked correctly a few days ago with no code changes on my end.

Setup:

• Meta Avatars SDK 40.0.1
• Unity 2022.3.62f2
• Meta Quest 3 (system version 14.0)
• Two devices, both logged into separate Meta accounts, both are organization admins
• App is sideloaded via APK
• Using SampleAvatarEntity with Load User From CDN enabled and a hardcoded CDN User ID

Issue: Remote avatar shows as default fallback immediately on launch. No CDN-related logs appear in Android Logcat at all.

When I tested the Graph API directly:

https://graph.oculus.com/{USER_ID}?fields=avatar_spec&access_token={TOKEN}

I received this error:

json

{ "error": { "message": "Tried accessing nonexisting field (avatar_spec)", "type": "OCApiException", "code": 100 } }

What I've verified:

• App ID and User ID are correct
• Both accounts are organization admins
• Reverting to previous builds does not fix the issue
• Problem occurs on both devices simultaneously

Is avatar_spec deprecated or has there been a backend change? This seems to be a server-side issue as nothing has changed on my end.