Out of memory when creating Gantt chart image Java heap space

I’m using GanttProject on Ubuntu and have createt a small project. After adding some more rows I this while exporting to html: Out of memory when creating Gantt chart image Java heap space.

How can I resolve this?

Thanks

Please share the project file where this error is reproducible.

Thanks for your answer. Can I share the project via PN directly? I can’t PN you.

You can send it to [email protected]