1. When you create an event, it is initially created under a 'Essential' package. To upgrade the package from Essential, a new plan needs to be added.
2. As shown in the screenshot below, you can apply the package from the "Home" section by clicking on "Apply Plan"
Only the package owners will be able to upgrade the event. The 'Apply Plan' option will be visible only to them.
Reach out to [email protected] for further queries.