Our company is like your Gantt chart, we are seriously thinking about buying over the license for our application.
If the option
get an error correct alignment.
After moving, the problem is not aligned
How to fix this behavior.
At first you need to set a hour scale for correct displaying tasks.
Also by default all tasks have start time “00:00”. After loading page, tasks displays according to this time. And after moving task takes a new position according to work time.
This sample can help you to understand what’s happening:
For solving the issue, you could set required start time for tasks.