FS-map stops showing when zooming in (desktop)

Summary

Foodsharing map (OSM) stops showing from a certain level of zooming in.

Steps to reproduce

Log in to FS website. Go to https://foodsharing.de/karte and to zoom in, click the '+' key around 4 times. Experienced in Firefox, Chrome, iOS.

What is the current bug behavior?

At a certain point, the map is no longer shown. Pins will continue to be shown.

What is the expected correct behavior?

The map will continue to show

Relevant error messages and/or screenshots

image next click on + to zoom in and the map shows like this: image

Possible fixes