Cannot bind a data set to a Gantt chart, the date is missing. (75115)

I am currently using Toad 2.7 and trying to create a side by side Gantt Chart. The date is not showing up in the chart at all.
Customer steps:
1. Query Builder
2. select table with beginning and ending date.
3. run query and right click on result tab and Send to "chart designer"
4. Select "Side by side Gantt Chart" Data Time and select the date value column
5. The date in not the same date from the table in the wizard
6. Once finish, the preview Chart is empty with now date.

WORKAROUND:

None

STATUS:

Waiting for fix in future release of Toad for Analysts.