Losing JourneyMap Waypoints After Updating

The Aternos forums are now deprecated

Learn more about this change here.

For help regarding Aternos, we recommend you to visit our support center.

    so I'm playing on the latest version of pixelmon and version 9.0.2 just came out. I updated my client and joined my server to find that all my waypoints/map data are gone. any clue how to recover them?