How To Fix UPO_MIG136 - Link already exist between &1 and &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UPO_MIG - Message Class for PRA->UOM Migration

• Message number: 136

• Message text: Link already exist between &1 and &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPO_MIG136 - Link already exist between &1 and &2 ?

  The SAP error message UPO_MIG136, which states "Link already exists between &1 and &2," typically occurs during data migration or when trying to create a relationship between two entities in the SAP system. This error indicates that there is already an existing link or relationship between the specified objects (represented by &1 and &2).
  Cause:
  
  Duplicate Relationships: The most common cause of this error is that the system is attempting to create a relationship that already exists. This can happen during data migration processes where the same relationships are being imported multiple times.
  Data Integrity Issues: There may be issues with the data being imported or processed, leading to attempts to create duplicate links.
  Configuration Errors: Incorrect configuration settings or migration templates may lead to attempts to create existing links.
  
  Solution:
  
  Check Existing Links: Before attempting to create a new link, check the existing relationships between the two entities (e.g., business partners, materials, etc.) to confirm that the link already exists.
  Modify Migration Data: If you are performing a data migration, ensure that your migration data does not contain duplicate entries for the same relationship. Clean up the data to remove duplicates.
  Use Update Instead of Create: If the intention is to update an existing relationship, ensure that the correct update logic is applied instead of trying to create a new link.
  Error Handling in Migration: Implement error handling in your migration scripts or processes to skip existing links or log them for review instead of failing the entire process.
  Consult Documentation: Review SAP documentation or notes related to the specific module you are working with to see if there are any known issues or additional steps required for your scenario.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to use transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), or SE80 (Object Navigator) to investigate the existing links.
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently releases notes that address specific issues or provide guidance on best practices.
  Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the UPO_MIG136 error and implement a suitable solution.