Are You Getting HTTP ERROR 500?
If you are getting HTTP ERROR 500, this means that there is some error thrown in the back-end which is causing bdtask script to stop working.
In order to easy to determine the issue, the best is to turn to debug mode as explained here: http://blog.bdtask.com/how-to-set-development-debug-mode-in-code-igniter-project/
If the error messages are not clear enough to help you to resolve the issue, you can Email us at firstname.lastname@example.org. we will be happy to guide you further and help you resolve the issue in a timely manner.