How To Fix EPD021 - (External) key value for attribute &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: EPD - Messages for IS-U Master Data Generator

• Message number: 021

• Message text: (External) key value for attribute &1 does not exist

What causes this issue?

You want to allocate the key of a previously processed node to
attribute &v1&. This node either does not exist, or has not yet been
processed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EPD021 - (External) key value for attribute &1 does not exist ?

  The SAP error message EPD021 indicates that there is an issue with an external key value for a specific attribute in your SAP system. This error typically arises when the system is unable to find a corresponding entry for the specified key in the relevant database table or master data.
  Cause:
  
  Missing Data: The external key value you are trying to use does not exist in the system. This could be due to data not being uploaded or created.
  Incorrect Key: The key value being referenced may be incorrect or misspelled.
  Data Deletion: The data associated with the external key may have been deleted or archived.
  Configuration Issues: There may be configuration issues in the system that prevent the key from being recognized.
  
  Solution:
  
  Verify Key Value: Check the external key value you are using to ensure it is correct and exists in the relevant master data tables.
  Data Upload: If the key is supposed to exist but does not, ensure that the necessary data has been uploaded or created in the system.
  Check for Deletions: Investigate if the data associated with the key has been deleted or archived. If so, you may need to restore it or create a new entry.
  Consult Documentation: Review the relevant SAP documentation or configuration settings to ensure that everything is set up correctly.
  Use Transaction Codes: Utilize transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables for the existence of the key.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for further assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with transaction codes that may help in troubleshooting, such as SE11, SE16, or SE78.
  Master Data Management: Ensure that your master data management processes are robust to prevent such issues in the future.
  User Authorization: Ensure that the user has the necessary authorizations to access the data related to the external key.
  
  By following these steps, you should be able to identify the cause of the EPD021 error and implement a solution to resolve it.