How To Fix CNV_CMIS_M_20002 - Postprocessing started in rerun mode

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_M_20 - Message class for development class CNV_CMIS_M_20

• Message number: 002

• Message text: Postprocessing started in rerun mode

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_M_20002 - Postprocessing started in rerun mode ?

  The SAP error message CNV_CMIS_M_20002 indicates that a postprocessing step in a data migration or conversion process has started in "rerun mode." This typically occurs in the context of SAP's Conversion and Migration tools, such as the SAP S/4HANA Migration Cockpit or other data migration scenarios.
  Cause:
  The error message suggests that the system is attempting to rerun a postprocessing step that was previously executed. This can happen for several reasons:
  
  Incomplete Previous Execution: The previous execution of the postprocessing step may not have completed successfully, leading the system to enter rerun mode.
  Manual Intervention: A user may have manually triggered a rerun of the process.
  Data Consistency Issues: There may be inconsistencies in the data that require the process to be rerun to ensure data integrity.
  Configuration Issues: Incorrect configuration settings in the migration or conversion process can lead to this error.
  
  Solution:
  To resolve the issue, you can follow these steps:
  
  Check Logs: Review the logs of the previous execution to identify any errors or warnings that may have occurred. This can provide insight into why the process is in rerun mode.
  Data Validation: Ensure that the data being processed is consistent and meets the requirements of the migration or conversion process. Correct any data issues that may have been identified.
  Clear Rerun Flags: If the rerun was triggered incorrectly, you may need to clear any flags or markers that indicate the process is in rerun mode. This may involve using specific transaction codes or tools provided by SAP.
  Re-execute the Process: After addressing any issues, re-execute the postprocessing step. Ensure that you monitor the execution closely to catch any further errors.
  Consult Documentation: Refer to the official SAP documentation for the specific migration or conversion tool you are using. There may be specific instructions or troubleshooting steps related to this error message.
  SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. They can provide more detailed guidance based on your specific system configuration and the context of the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in monitoring or managing the migration process (e.g., SLT, LSMW, or specific migration cockpit transactions).
  SAP Notes: Check for any SAP Notes related to the error message or the migration tool you are using. SAP frequently updates its knowledge base with solutions to common issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They can provide insights and solutions based on their experiences.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the CNV_CMIS_M_20002 error message.