A. 1. Check inventory: Ensure you have enough treats in your inventory and that they are not being used up in other areas of the game. 2. Restart the app: Close and reopen Pixel Petz to refresh the game state and see if the treats can be consumed afterward. 3. Clear app cache: Go to Settings > Apps > Pixel Petz > Storage > Clear Cache to remove any corrupted files that may be causing the issue. 4. Use treats in different areas: Try using the treats in various parts of the game to see if they register correctly.