How To Fix CNV_10020252 - Technical description for elementary relationship &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 252

• Message text: Technical description for elementary relationship &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_10020252 - Technical description for elementary relationship &1 does not exist ?

  The SAP error message CNV_10020252 indicates that there is a missing technical description for an elementary relationship in the context of a data conversion or migration process. This error typically arises during the execution of a conversion program, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer processes.
  Cause:
  
  Missing Technical Description: The error suggests that the system is trying to access a technical description for a specific elementary relationship (denoted by &1) that has not been defined in the system.
  Configuration Issues: There may be issues with the configuration of the data migration or conversion settings, leading to the absence of necessary definitions.
  Data Model Changes: If there have been changes in the data model or if the system has been upgraded, certain relationships may no longer be valid or may not have been properly migrated.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the data migration or conversion process. Ensure that all necessary relationships and their technical descriptions are defined.
  Define Missing Descriptions: If you have access to the relevant configuration tables or transaction codes, you may need to manually define the missing technical description for the elementary relationship.
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific instructions or updates that address this issue.
  Use Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to check the definitions of the relevant tables and relationships.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. They may provide patches or updates that resolve the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on how to resolve it.
  Data Migration Tools: Familiarize yourself with the specific data migration tools you are using, as they may have their own set of requirements and configurations.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.