Hello, i wanted to clear the training data that we entered for demonstration, so i went to phpmyadmin and selected all tables then empty, now the problem is that i get this page isnt working right now as seen in the screenshot, and when i tried to re install the system i get inStaller is locked notification, please help asap, am sending you the license code of the required system as i have purchased your system many times.

PLEASE THIS IS REALLY URGENT AS SYSTEM NEEDS TO START BEING USED.