Unable to upgrade FMS Data subscription to include Charts

I have a subscription to FMS Data and want to upgrade to Charts, but I can’t. Could someone tell me the process to follow?
Thank you very much

Hello Miguel! Welcome to the forum.

This kind of issue is referred to Navigraph Account Support, available at account@navigraph.com. In order for them to be able to help you efficiently, please provide screenshots and/or a more detailed subscription of why you are unable to upgrade.

Thank you for understanding!