How To Fix CNV_20100629 - Language key &1 is unknown for &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 629

• Message text: Language key &1 is unknown for &2 &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100629 - Language key &1 is unknown for &2 &3 ?

  The SAP error message CNV_20100629 indicates that there is an issue with a language key that is not recognized in the context of a specific object or data element. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools.
  Cause:
  
  Unknown Language Key: The language key specified in the error message is not defined in the system. This could happen if the language has not been installed or activated in the SAP system.
  Data Inconsistency: The data being processed may reference a language that is not supported or is incorrectly configured.
  Configuration Issues: There may be issues with the configuration of the data migration tool or the specific migration project.
  
  Solution:
  
  
  Check Language Installation:
  
  Go to transaction SMLT (Language Transport) and verify if the language key mentioned in the error message is installed in your SAP system.
  If the language is not installed, you may need to install it using the appropriate transport.
  
  
  
  Verify Language Configuration:
  
  Check the configuration settings for the data migration project. Ensure that the language keys used in the project are valid and correspond to the installed languages in the system.
  
  
  
  Data Validation:
  
  Review the data being migrated to ensure that it does not reference any unsupported or unknown language keys. Correct any inconsistencies in the data.
  
  
  
  Update Language Settings:
  
  If the language key is indeed valid but not recognized, you may need to update the language settings in the relevant tables or configurations.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific data migration tool you are using. There may be specific guidelines or patches available that address this issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error details and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SMLT (Language Transport) and SE11 (Data Dictionary) to check language settings and data definitions.
  SAP Notes: Search for SAP Notes related to the error message or the specific data migration tool you are using. SAP Notes often contain solutions or workarounds for known issues.
  Data Migration Tools: Understand the specific data migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, LSMW) and its requirements regarding language settings.
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_20100629 error message in SAP.