How To Fix CNV21500030 - Structure &1 is not defined in DDIC.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV21500 - Messages for HR conversions basis

• Message number: 030

• Message text: Structure &1 is not defined in DDIC.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV21500030 - Structure &1 is not defined in DDIC. ?

  The SAP error message CNV21500030 indicates that a specific structure (denoted as &1 in the message) is not defined in the Data Dictionary (DDIC). This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of certain programs that rely on specific data structures.
  Cause:
  
  
  Missing Structure: The structure that the program is trying to access does not exist in the Data Dictionary. This could be due to:
  
  The structure was never created.
  The structure was deleted or not transported correctly.
  The structure is part of a custom development that has not been activated or is not available in the current system.
  
  
  
  Incorrect Configuration: The configuration or mapping in the migration tool may be pointing to a structure that is not valid or has been changed.
  
  
  Transport Issues: If the system is part of a landscape where transports are used, the structure may not have been transported to the target system.
  
  
  Solution:
  
  
  Check Structure Definition:
  
  Use transaction code SE11 to check if the structure exists in the Data Dictionary. Enter the name of the structure that is indicated in the error message.
  If it does not exist, you may need to create it or transport it from another system where it is defined.
  
  
  
  Review Migration Configuration:
  
  If you are using a migration tool, review the configuration settings to ensure that they are pointing to the correct structures.
  Make sure that all necessary mappings and configurations are correctly set up.
  
  
  
  Transport the Structure:
  
  If the structure is defined in another system (like a development or quality assurance system), ensure that it is properly transported to the system where the error is occurring.
  
  
  
  Check for Custom Developments:
  
  If the structure is part of a custom development, ensure that the development is activated and that all necessary objects are included in the transport.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes related to the migration or conversion process you are executing. There may be specific instructions or prerequisites that need to be followed.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE11: Data Dictionary (to check structures)
  SE80: Object Navigator (to check for custom developments)
  SE37: Function Module (to check if any function modules are related to the structure)
  
  
  
  SAP Notes: Check the SAP Support Portal for any notes related to this error message or the specific migration tool you are using. There may be known issues or patches available.
  
  
  Debugging: If you have access to debugging tools, you can set breakpoints in the program that is generating the error to trace back to where the structure is being called.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.