Are you missing groups you were part of when our Community was in the Sandboxx App? Make sure your profile is complete to regain access.
To check and update your profile:
Navigate to your Profile circle in the upper right corner of the Sandboxx Community App
Tap on Profile
Tap on Edit Profile
Fill in all relevant fields (fields notated by a red asterisk are required)
Tap on Save
Give it a few minutes and you will automatically be joined to your groups 👍