How To Fix /S4PPM/MIGR_DPR306 - &1 succession error merged at &2(position &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: /S4PPM/MIGR_DPR -

• Message number: 306

• Message text: &1 succession error merged at &2(position &3)

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 /S4PPM/MIGR_DPR306 - &1 succession error merged at &2(position &3) ?

  The SAP error message /S4PPM/MIGR_DPR306 typically relates to issues encountered during the migration of project data in the SAP S/4HANA Project Management (PPM) module. This specific error indicates a problem with the succession of project elements, which may arise during data migration processes, such as when transferring data from legacy systems or during system upgrades.
  Cause:
  The error message /S4PPM/MIGR_DPR306 indicates that there is a problem with the succession of project elements, which could be due to several reasons:
  
  Data Integrity Issues: There may be inconsistencies in the project data, such as missing or incorrect references to predecessor or successor tasks.
  Incorrect Mapping: During the migration process, the mapping of project elements may not have been done correctly, leading to issues in establishing the correct relationships.
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the data being migrated.
  Missing Dependencies: The project elements may have dependencies that are not being met, causing the migration process to fail.
  
  Solution:
  To resolve the /S4PPM/MIGR_DPR306 error, you can take the following steps:
  
  Check Data Consistency: Review the project data for any inconsistencies or missing references. Ensure that all predecessor and successor relationships are correctly defined.
  Review Migration Mapping: Verify the mapping of project elements during the migration process. Ensure that all necessary fields are correctly mapped and that there are no discrepancies.
  Adjust Configuration Settings: Check the configuration settings in the SAP system to ensure they align with the data being migrated. Make any necessary adjustments to the configuration.
  Use Migration Tools: Utilize SAP's migration tools or transaction codes (like LTMC for data migration) to assist in the migration process. These tools often provide error logs and additional information that can help identify the root cause of the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the migration process for any specific guidelines or known issues that may pertain to your situation.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and data.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the logs and error messages provided during the migration process for more context on the error.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the underlying issues causing the /S4PPM/MIGR_DPR306 error during your migration process.