How To Fix /S4PPM/MIGR_DPR304 - Correction is blocked by a &1 inconsistency

SAP Error Message - Details

• Message type: E = Error

• Message class: /S4PPM/MIGR_DPR -

• Message number: 304

• Message text: Correction is blocked by a &1 inconsistency

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /S4PPM/MIGR_DPR304 - Correction is blocked by a &1 inconsistency ?

  The SAP error message /S4PPM/MIGR_DPR304 Correction is blocked by a &1 inconsistency typically occurs during the migration process in SAP S/4HANA, particularly when dealing with Project Management (PPM) data. This error indicates that there is an inconsistency in the data that is preventing the correction or migration process from proceeding.
  Cause:
  The inconsistency could be due to various reasons, including but not limited to:
  
  Data Integrity Issues: There may be missing or incorrect data in the source system that does not meet the requirements of the target system.
  Configuration Issues: The configuration settings in the system may not align with the data being migrated.
  Dependencies: There may be dependencies on other objects or data that are not satisfied, leading to inconsistencies.
  Custom Code: If there are custom developments or enhancements, they might not be compatible with the migration process.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Error Log: Review the detailed error log to identify the specific inconsistency causing the issue. This can often provide clues on what needs to be corrected.
  
  
  Data Validation: Validate the data in the source system to ensure that it meets the requirements for migration. Look for missing fields, incorrect data types, or any other anomalies.
  
  
  Correct Inconsistencies: Based on the findings from the error log and data validation, correct any inconsistencies in the data. This may involve updating records, adding missing data, or correcting configuration settings.
  
  
  Re-run the Migration: After addressing the inconsistencies, attempt to re-run the migration process to see if the error persists.
  
  
  Consult Documentation: Refer to SAP's official documentation or notes related to the migration process for any specific guidelines or known issues related to the error.
  
  
  Engage SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance. They can provide more detailed insights and help troubleshoot the issue.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the recommended procedures and guidelines for data migration.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP S/4HANA to minimize the risk of encountering such errors.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the error message /S4PPM/MIGR_DPR304.