The ILN/GLN of the consignee is missing
The ILN/GLN of the consignee is missing, not with an explicit keyword word (eg "WE-GLN") marked or specified within the delivery address.
For the processing of your documents to this customer is a validation of the ILN/GLN number of the goods recipient required.
Please check the information on the document for the correct length and validity. Please remove empty / special and fill character and always use an explicit keyword, such as "WE-GLN".