Hi @jerome c thanks for posting in the community! Unfortunately there isn't currently a way to convert a Work Breakdown Structure to Gantt Chart Schedule. However we're always looking for ways to improve Lucidchart and your feedback is the best way for us to do that. Would you mind adding your idea to our feature request form? Ideas submitted to this form are passed on to the product development team for their consideration.

I also recommend taking a look at this community post about managing your your project using a Gantt Chart in Lucidspark! 

Thanks for your request and I apologize for any inconvenience this causes you.