How To Fix CNV_DMC_SIN456 - Maintain Parent WBS element &1 under the column 'WBS element' first.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 456

• Message text: Maintain Parent WBS element &1 under the column 'WBS element' first.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN456 - Maintain Parent WBS element &1 under the column 'WBS element' first. ?

  The SAP error message CNV_DMC_SIN456 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that there is a requirement to maintain a parent Work Breakdown Structure (WBS) element before you can proceed with the current operation.
  Cause:
  The error arises when you are trying to create or maintain a WBS element that has a parent WBS element that has not been defined or maintained in the system. In other words, the system requires that the parent WBS element exists and is properly set up before you can create or modify the child WBS element.
  Solution:
  To resolve this error, follow these steps:
  
  
  Check Parent WBS Element: Verify that the parent WBS element referenced in the error message exists in the system. You can do this by navigating to the WBS element management transaction (e.g., using transaction code CJ20N or CJ02).
  
  
  Maintain Parent WBS Element: If the parent WBS element does not exist, you need to create it first. Ensure that all necessary details for the parent WBS element are filled out correctly.
  
  
  Re-attempt the Operation: Once the parent WBS element is created and maintained, you can go back to the operation that triggered the error and try again.
  
  
  Check Data Migration Templates: If you are using a data migration template, ensure that the parent WBS elements are included in the template and are being processed before the child elements.
  
  
  Review Dependencies: Make sure that there are no other dependencies or prerequisites that need to be fulfilled for the WBS elements you are trying to maintain.
  
  
  Related Information:
  
  WBS Elements: WBS elements are used in project management within SAP to structure and manage projects. Each WBS element can have sub-elements, and the hierarchy must be maintained correctly.
  Data Migration Cockpit (DMC): This tool is used for migrating data into SAP systems. It is essential to understand the data structure and relationships when using DMC.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) and CJ02 (Change WBS Element) for managing WBS elements.
  
  If you continue to experience issues after following these steps, consider consulting SAP documentation or reaching out to your SAP support team for further assistance.