How To Fix /S4PPM/MIGR_DPR302 - Inconsistent successions under parent &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /S4PPM/MIGR_DPR -

• Message number: 302

• Message text: Inconsistent successions under parent &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /S4PPM/MIGR_DPR302 - Inconsistent successions under parent &1 ?

  The SAP error message /S4PPM/MIGR_DPR302 Inconsistent successions under parent &1 typically occurs during the migration process in SAP Project Management (PPM) when there are inconsistencies in the succession relationships of tasks or activities under a parent project or work breakdown structure (WBS) element.
  Cause:
  
  Inconsistent Task Relationships: The error indicates that there are tasks or activities that have been defined with inconsistent successor relationships. This means that the way tasks are linked (i.e., which tasks are predecessors and successors) does not follow the expected logical flow.
  Data Integrity Issues: There may be issues with the data integrity in the project structure, such as missing links or circular dependencies.
  Migration Data Issues: If you are migrating data from another system or an older version of SAP, the data may not conform to the new system's requirements.
  
  Solution:
  
  Review Task Relationships: Check the task or activity relationships under the specified parent project (indicated by &1 in the error message). Ensure that all successor and predecessor relationships are correctly defined.
  Correct Inconsistencies: If you find any inconsistencies, correct them by adjusting the relationships. This may involve:
  
  Adding missing successors or predecessors.
  Removing incorrect or circular dependencies.
  
  
  Data Validation: Use SAP tools or reports to validate the project structure and relationships. This can help identify any other potential issues.
  Re-run Migration: After correcting the inconsistencies, re-run the migration process to see if the error persists.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration process you are using, as there may be additional guidelines or tools provided by SAP.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to project management and migration, such as CJ20N (Project Builder) or CJI3 (Project Actual Line Items).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.