You need to charge energy for your earners once a day before walking with it:
1. Access AI AVATAR app -> Menu -> Access Art walk:
2. In the main page of Art Walk, if your Avatar you are selecting is hungry, a CHARGE button will appear. Click on it:
4. Click on Charge energy to charge energy:
If you do not have any or enough food to feed your Avatar, you need to purchase Avatar food from Mall: Energy – AI AVATAR