Update an Inbound Shipment / ASN

You can update an ASN if it is in open status.

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In MasonHub’s OMS:

1. Navigate to ASNs > Upload ASN.
2. Upload another file with the same customer_identifier. 
   • This will overwrite your original ASN with the new information. 
3. If you see this error, that means the ASN is being processed or has already been received and cannot be edited.