Diagnosis
Either the delivery number (E1EDL20-VBELN) or the vendor's externalidentification (E1EDL20-LIFEX) is necessary to confirm the vendor'sexternal identification number on the Incoming Shipping NotificationEDI. However, both fields are blank.

System Response
The shipping notification is marked as containing errors (status 51).

Procedure
Enter the vendor number for vendor E1EDL20-VBELN. You can use theexternal identification field (E1EDL20-LIFEX) to indicate the documentreference if the field length of field E1EDL20-VBELN proves to beinsufficient.