Populating the ID Column

I am relatively new to GanttProject.

I have created a few schedules and I have added the “ID” to the columns on the left of the Gantt chart . However, the column is not populated with the ID number for the individual tasks. How do I get the ID numbers to appear in this view?

Hi, I am not sure that I completely understand the issue. Are you talking about the columns in the table or labels on the chart? Anyway, I have no issues with IDs in my tests in both cases: