To get Gantt Chart to work you need add a custom field named Issue Start Date on administration backend and confirgure it your projects on JIRA.
Adding a Custom Field Step by Step
First go to Issue Custom Fields in administration backend.
Second select a Advanced and find Issue Start Date.
Thirt.
Fourth select all project checkboxes.
You are done if you see Issue Start Date custom field on all your projects.
Configure custom issue linking
| Name | Outward Description | Inward Description |
|---|---|---|
| Finish-to-Finish | FF-depends on | is FF-depended by |
| Finish-to-Start | FS-depends on | is FS-depended by |
| Start-to-Finish | SF-depends on | is SF-depended by |
| Start-to-Start | SS-depends on | is SS-depended by |
