How To Fix /SCMB/DM_DLV149 - ASN item number is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/DM_DLV -

• Message number: 149

• Message text: ASN item number is not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/DM_DLV149 - ASN item number is not unique ?

  The SAP error message /SCMB/DM_DLV149 ASN item number is not unique typically occurs in the context of Advanced Shipping Notification (ASN) processing within the Supply Chain Management (SCM) module. This error indicates that there are duplicate item numbers in the ASN, which violates the requirement for item numbers to be unique within a single ASN.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the ASN being processed contains multiple entries for the same item number. This can happen if the ASN was generated incorrectly or if there was a mistake in data entry.
  Data Import Issues: If the ASN data is being imported from an external system or file, there may be duplicates in the source data.
  Configuration Issues: There may be issues with the configuration of the ASN processing that allow for duplicates to be created.
  
  Solution:
  
  Check ASN Data: Review the ASN data to identify any duplicate item numbers. This can often be done by exporting the ASN data to a spreadsheet and using functions to find duplicates.
  Correct Duplicates: Once duplicates are identified, correct the ASN by either removing the duplicate entries or consolidating them into a single entry with the appropriate quantity.
  Reprocess ASN: After correcting the ASN, reprocess it in the system to see if the error persists.
  Review Data Import Processes: If the ASN is generated from an external system, review the data import processes to ensure that they are not introducing duplicates.
  Consult Documentation: Check SAP documentation or notes related to ASN processing for any specific guidelines or best practices that may help prevent this issue in the future.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SCMB/ASN to view and manage ASNs in the system.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Exits and BAdIs: If you have custom developments, check if there are any user exits or BAdIs that might be affecting ASN processing.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues arise.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.