How To Fix /BOBF/TOOLS_CC021 - An ET_KEY_LINK-source_key must not be contained in ET_FAILED_KEY

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/TOOLS_CC -

• Message number: 021

• Message text: An ET_KEY_LINK-source_key must not be contained in ET_FAILED_KEY

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/TOOLS_CC021 - An ET_KEY_LINK-source_key must not be contained in ET_FAILED_KEY ?

  The SAP error message /BOBF/TOOLS_CC021 indicates that there is an issue with the key link in the Business Object Processing Framework (BOPF). Specifically, the error states that an ET_KEY_LINK source key must not be contained in ET_FAILED_KEY. This typically occurs during operations that involve key linking, such as creating or updating business objects.
  Cause:
  
  Key Link Violation: The error arises when the system attempts to process a key link that is already marked as failed. This can happen if there are inconsistencies in the data being processed or if the key link is referencing an object that has not been successfully created or updated.
  Data Integrity Issues: There may be issues with the data integrity, such as missing or incorrect keys in the source or target objects.
  Incorrect Configuration: The configuration of the BOPF business object may not be set up correctly, leading to conflicts during processing.
  
  Solution:
  
  Check ET_FAILED_KEY: Review the contents of the ET_FAILED_KEY table to identify which keys are causing the issue. This will help you understand which records are failing and why.
  Data Validation: Ensure that the data being processed is valid and that all required keys are present. Validate the source data to ensure it meets the expected format and integrity constraints.
  Review Key Links: Check the configuration of the key links in the BOPF business object. Ensure that the key links are correctly defined and that they point to valid objects.
  Error Handling: Implement error handling in your code to manage situations where keys may fail. This can include logging errors and providing meaningful feedback to users.
  Debugging: If the issue persists, consider debugging the BOPF processing logic to trace where the failure occurs. This may involve using transaction codes like /BOBF/CONF to analyze the business object configuration.
  Consult Documentation: Refer to SAP documentation or notes related to BOPF and the specific business object you are working with for additional guidance.
  
  Related Information:
  
  BOPF Documentation: Familiarize yourself with the Business Object Processing Framework (BOPF) documentation to understand how key links and business objects work.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  Community Forums: Engage with SAP community forums or support channels to see if others have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.