How To Fix CNV_PE_GEN041 - DDIC type for parameter &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 041

• Message text: DDIC type for parameter &1 is unknown

What causes this issue?

Parameter ID: <ZH>&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_PE_GEN041 - DDIC type for parameter &1 is unknown ?

  The SAP error message CNV_PE_GEN041 indicates that there is an issue with a Data Dictionary (DDIC) type for a parameter in a conversion or migration process. This error typically arises during data migration activities, especially when using tools like SAP's Landscape Transformation (LT) or other data conversion tools.
  Cause:
  The error message "DDIC type for parameter &1 is unknown" suggests that the system is unable to recognize the Data Dictionary type associated with the specified parameter. This can happen due to several reasons:
  
  Missing or Incorrect DDIC Type: The DDIC type for the parameter may not exist in the system, or it may have been incorrectly defined.
  Transport Issues: If the DDIC type was recently transported from another system, there may have been issues during the transport process.
  Namespace Issues: The DDIC type might be in a different namespace that is not accessible in the current context.
  Version Compatibility: The version of the migration tool or the source system may not be compatible with the target system's DDIC definitions.
  
  Solution:
  To resolve the CNV_PE_GEN041 error, you can take the following steps:
  
  
  Check DDIC Definitions:
  
  Use transaction SE11 to check if the DDIC type for the parameter exists. If it does not exist, you may need to create it or correct the reference.
  
  
  
  Review Transport Logs:
  
  If the DDIC type was recently transported, check the transport logs for any errors or warnings that might indicate issues during the transport.
  
  
  
  Namespace Verification:
  
  Ensure that the DDIC type is in the correct namespace and that your user has the necessary authorizations to access it.
  
  
  
  Check Migration Tool Configuration:
  
  Review the configuration of the migration tool you are using. Ensure that all necessary parameters and types are correctly defined.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using. There may be specific notes or guidelines related to the error.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), ST22 (Dump Analysis), SLG1 (Application Log).
  Migration Tools: SAP Landscape Transformation (LT), SAP S/4HANA Migration Cockpit.
  SAP Notes: Always check the SAP Support Portal for the latest notes related to your specific version and the tools you are using.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the CNV_PE_GEN041 error.