PostNL Marked My International Mail as Delivered but I Never Received It

My PostNL shipment from abroad shows as delivered to my address, but I did not receive any mail. When I call the company, they tell me that the courier is still out for delivery, which is confusing because the system already shows the item as delivered.

I was supposed to be contacted by phone before delivery, but I never received any call. Please take my request seriously, as the package contains important documents. I need assistance locating my shipment and confirming where it was delivered.