If your barcodes/labels belong to already used/shipped packages your number circle at Swiss Post is set to a too small amount.
In this case please contact the Swiss Post customer service and ask them to increase your number circle.
❓Some of my barcodes seem to be "reused" and link to old parcels - How can I fix this?
Learn how to resolve the issue of barcodes being reused and linking to old parcels by adjusting barcode settings in your system.
Updated over a week ago