Contacts don't show in Maps app

[Thatoo]

Describe the bug

Contacts don't show up in the maps app in Nextcloud.

Context

• Hardware: Old laptop or computer
• YunoHost version: 11.2.5
• I have access to my server: Through SSH | through the webadmin | direct access via keyboard / screen
• Are you in a special context or did you perform some particular tweaking on your YunoHost instance?: no

Steps to reproduce

• open Nextcloud
• open the Maps app
• see "My Contacts" in the left panel charging
• get the following error :

Impossible de charger les contacts:
504 Gateway Time-out

504 Gateway Time-out
nginx

• Contacts are not listed nor displayed on the map

Expected behavior

Contacts should be listed in the left panel and displayed on the map.