Hi,
I'm trying to sum up all the 'Time remaining' totals of my sub-tasks and display it in the 'Time remaining' field of the parent task.
Currently I can see the correct sum in the details screen of the parent, but clicking the 'Time tracking' field, the popup shows me 0 hours.
Here is a screenshot of what I'm talking about and my workflow.
1. Details screen:

2. Clicking it, gives me this:

So basically I'm trying to populate the 'Time remaining' field.
Here is my workflow:
