What do I do if my delivery has been delivered according to shipment tracking, but I have not received it?
If you haven't received your goods, please contact our customer service. Ideally, have your order or invoice number ready. We will promptly submit a search request with the respective courier and take further action.
https://www.stabilezelte.de/en/FAQ-Frequently-asked-questions/Shipping-Delivery/What-do-I-do-if-my-delivery-has-been-delivered-according-to-shipment-tracking-but-I-have-not-received-it