How To Fix CNV_LTHCM_C_10121 - The GUID of the NCE is not known. Check the assignment in CNV_10210_CWB.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_LTHCM_C_10 - LT HCM: Messages for Data Conversion

• Message number: 121

• Message text: The GUID of the NCE is not known. Check the assignment in CNV_10210_CWB.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_LTHCM_C_10121 - The GUID of the NCE is not known. Check the assignment in CNV_10210_CWB. ?

  The SAP error message CNV_LTHCM_C_10121 indicates that there is an issue with the GUID (Globally Unique Identifier) of the NCE (New Customer Engagement) not being recognized or known in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools.
  Cause:
  
  Missing or Incorrect Assignment: The GUID of the NCE may not be correctly assigned or may be missing in the relevant tables. This can happen if the data migration process was not completed successfully or if there were issues during the mapping of data.
  Configuration Issues: There may be configuration issues in the system that prevent the correct identification of the NCE GUID.
  Data Consistency: The data in the source system may not be consistent with the expected format or structure in the target system.
  
  Solution:
  
  Check Assignment in CNV_10210_CWB: The error message suggests checking the assignment in the transaction or program CNV_10210_CWB. This transaction is typically used for managing the assignments of NCEs and their GUIDs. Ensure that the NCE is correctly assigned and that the GUID is present.
  Verify Data Migration Steps: Review the steps taken during the data migration process to ensure that all necessary data has been migrated and that there are no missing entries.
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion process you are using. There may be specific instructions or prerequisites that need to be followed.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be bug fixes or improvements related to this issue.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration and the error encountered.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CNV_10210_CWB for checking assignments and SE11 for viewing table structures.
  SAP Notes: Search for SAP Notes related to the error message or the specific migration process you are using. SAP Notes often contain solutions or workarounds for known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.