How To Fix CNV_CMIS_A_20266 - Mark rows in order to create piecelist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 266

• Message text: Mark rows in order to create piecelist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20266 - Mark rows in order to create piecelist ?

  The SAP error message CNV_CMIS_A_20266 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with marking rows in order to create a piece list, which is essential for the migration process.
  Cause:
  The error can be caused by several factors, including:
  
  Data Integrity Issues: The source data may have inconsistencies or missing values that prevent the system from marking the rows correctly.
  Configuration Problems: Incorrect configuration settings in the migration cockpit or related tools can lead to this error.
  Mapping Issues: If the mapping of fields between the source and target systems is not correctly defined, it can result in this error.
  Performance Issues: Large datasets or performance bottlenecks can also lead to timeouts or failures in processing the data.
  
  Solution:
  To resolve the error CNV_CMIS_A_20266, you can take the following steps:
  
  Check Source Data: Review the source data for any inconsistencies, missing values, or duplicates. Ensure that the data adheres to the expected format and integrity constraints.
  Review Configuration: Verify the configuration settings in the migration cockpit. Ensure that all necessary parameters are correctly set.
  Validate Mapping: Check the mapping of fields between the source and target systems. Ensure that all required fields are correctly mapped and that there are no discrepancies.
  Increase Performance: If the dataset is large, consider breaking it into smaller batches for processing. Additionally, check for any performance issues in the system that may be causing delays.
  Consult Logs: Review the migration logs for more detailed error messages or warnings that can provide additional context on the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates related to this error. There may be patches or updates that address known issues.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  SAP Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit and its functionalities, as it is a key tool for data migration in SAP S/4HANA.
  Data Migration Best Practices: Review best practices for data migration to ensure a smooth transition and minimize errors.
  Documentation: Refer to the official SAP documentation for detailed guidance on data migration processes and troubleshooting common errors.
  
  By following these steps, you should be able to identify and resolve the underlying issues causing the CNV_CMIS_A_20266 error.