This article applies to DHL Shipping for Magento 2.
In the checkout, the interactive map for DHL locations (parcel lockers, post offices) is not displayed. However, the yellow DHL icons for the locations are visible.
No Mapbox API token has been entered into the DHL module configuration.
Create a Mapbox API token for OpenStreetMap and enter it into the configuration. For details, see the documentation chapter "How to offer pickup location deliveries".