When you choose to create Lr Gantt chart, the Lr Lines of Development Creation Wizard opens.
To create an Lr Gantt chart from the wizard
- Right-click the Lr Package and select Create Diagram > Lr Lines of Development.
 - Follow the steps of the
Lr Lines of Development Creation Wizard. - Click Finish when you are done.
 
If you do not wish to use the Lr Lines of Development Creation Wizard next time, clear the Show the wizard next time, when I create Lr Lines of Development check box.
To create an Lr diagram manually when Lr Lines of Development Creation Wizard is disabled
- Right-click the Lr Package and select Create Diagram > Lr Lines of Development.
 Type the diagram name.
- Press Enter. 
The blank Lr Lines of Development chart is created. 
To restore the usage of the Lr Lines of Development Creation Wizard
- Select Options > Environment.
 - In the Environment Options dialog select the UAF options group.
 - In the General properties, set the Show PV-2/AcV-2/NPV-1 Creation Wizard each Time Creating New Chart property value to true.