If you receive an error message about your queue being locked, there's a few things you can try to rectify the situation
First try to restart the Singa Pro app:- Double tap the home button OR swipe up from the middle of the display and pause there for a moment
- Swipe away the Singa app
- Open the Singa Pro app again and try again
Then, try by logging out of Singa Pro and back in again:
- Open the Menu (three stripes top left) > Settings > Log out > Log out
- Log back in using your Singa Pro credentials
If you are still experiencing issues, please check that your credentials are not in use on another main device. Reach out to our support team at support@singabusiness.com, if the steps in this article do not seem to help.