This issue has been resolved - please update your game to 5.33 Halloween. For more info see how to update apps.
Customers are appearing in Professions without any Request or resource bubbles (circles) above their heads. These customers take up customer work shift quota.
What can be done?
It might be worth uploading to the Cloud and reinstalling your game. If you're still having issues please contact technical support. We can remove the broken customers for you.
Thanks for your patience while the game team investigates this issue.