How To Fix CNV_OR_PE_GEN020 - Namespace &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OR_PE_GEN - Messages for generation functions

• Message number: 020

• Message text: Namespace &1 does not exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OR_PE_GEN020 - Namespace &1 does not exist ?

  The SAP error message CNV_OR_PE_GEN020 indicates that a specific namespace does not exist in the system. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for data transfer or transformation.
  Cause:
  
  Missing Namespace: The specified namespace (indicated by &1 in the error message) is not defined in the system. This could be due to a configuration issue or because the namespace was not created or activated.
  Incorrect Configuration: The system might be looking for a namespace that has not been properly set up or is incorrectly referenced in the migration or conversion process.
  Transport Issues: If the namespace was supposed to be transported from another system and the transport did not occur successfully, this could lead to the namespace being absent.
  
  Solution:
  
  
  Check Namespace Configuration:
  
  Go to transaction SE80 (Object Navigator) or SE11 (Data Dictionary) and check if the namespace exists.
  If it does not exist, you may need to create it or ensure that it is properly configured.
  
  
  
  Create the Namespace:
  
  If the namespace is indeed missing, you can create it using transaction SE03 (Transport Organizer Tools) or through the relevant configuration settings in your SAP system.
  
  
  
  Review Transport Requests:
  
  If the namespace was supposed to be transported from another system, check the transport logs to ensure that the transport was successful and that the namespace was included.
  
  
  
  Check for Typographical Errors:
  
  Ensure that there are no typographical errors in the namespace reference in your migration or conversion settings.
  
  
  
  Consult Documentation:
  
  Review the documentation for the specific migration or conversion tool you are using to ensure that you are following the correct procedures.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is part of a larger migration project.
  
  
  
  Related Information:
  
  Namespaces in SAP: Namespaces are used in SAP to organize and manage objects (like programs, function modules, etc.) and to avoid naming conflicts. They are particularly important in development environments.
  Data Migration Tools: Familiarize yourself with the specific tools you are using for data migration (like SAP S/4HANA Migration Cockpit, SAP Data Services, etc.) as they may have specific requirements regarding namespaces.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CNV_OR_PE_GEN020.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.