How To Fix CNV_CMIS_M_10020 - Target clients are different; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_M_10 - Message class for Migration

• Message number: 020

• Message text: Target clients are different; see long text

What causes this issue?

The target client that is contained in the mapping table is &V1&. The
RFC target client is &V2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_M_10020 - Target clients are different; see long text ?

  The SAP error message CNV_CMIS_M_10020 indicates that there is a mismatch between the target clients during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error occurs when the source and target clients are not aligned. This can happen due to several reasons:
  
  Different Client Configurations: The source and target systems may have different client configurations, such as different client numbers or settings.
  Incorrect Target Client Specification: The target client specified in the migration settings may not match the expected client in the target system.
  Data Consistency Issues: There may be inconsistencies in the data being migrated that prevent it from being correctly mapped to the target client.
  
  Solution:
  To resolve the CNV_CMIS_M_10020 error, you can follow these steps:
  
  
  Verify Client Settings:
  
  Check the client settings in both the source and target systems. Ensure that the client numbers and configurations match as expected.
  
  
  
  Review Migration Settings:
  
  Go through the migration settings in the SAP tool you are using. Make sure that the target client is correctly specified and corresponds to the intended client in the target system.
  
  
  
  Check Data Consistency:
  
  Ensure that the data being migrated is consistent and compatible with the target client. This may involve cleaning up or transforming the data before migration.
  
  
  
  Consult Long Text:
  
  The error message may have a long text that provides additional context or specific instructions. You can access this by clicking on the error message in the SAP GUI or using transaction code SE91 to view the message details.
  
  
  
  Logs and Traces:
  
  Check the logs and traces generated during the migration process for more detailed information about the error. This can help identify the specific cause of the mismatch.
  
  
  
  SAP Notes and Documentation:
  
  Look for relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  
  Consult SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for assistance. They can provide more tailored guidance based on your specific system configuration and migration scenario.
  
  
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it is often used for data migration tasks.
  Data Migration Best Practices: Review best practices for data migration in SAP environments to avoid common pitfalls.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_CMIS_M_10020 error effectively.