How To Fix CNV_10020345 - Elementary relationship &1: Table was not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 345

• Message text: Elementary relationship &1: Table was not maintained

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_10020345 - Elementary relationship &1: Table was not maintained ?

  The SAP error message CNV_10020345 typically indicates that there is an issue with the maintenance of a specific table related to the elementary relationship in the context of a data conversion or migration process. This error is often encountered during the execution of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error message suggests that the system is trying to access or utilize a table that has not been properly maintained or populated with the necessary data. This could be due to several reasons:
  
  Missing Data: The required entries in the specified table are missing.
  Incorrect Configuration: The configuration settings for the data migration process may not be set up correctly.
  Inconsistent Data: There may be inconsistencies in the data that prevent the system from recognizing the relationship.
  Custom Development: If there are custom tables or fields involved, they may not have been properly defined or populated.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Table Maintenance:
  
  Identify the specific table mentioned in the error message (indicated by &1).
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check if the table exists and if it has the necessary entries.
  
  
  
  Populate Missing Data:
  
  If the table is empty or missing required entries, populate it with the necessary data. This may involve running specific programs or transactions to fill in the data.
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for the data migration process are correct. This may involve checking the settings in the Migration Cockpit or related tools.
  
  
  
  Data Consistency Check:
  
  Perform a data consistency check to ensure that all related tables and entries are correctly aligned and that there are no discrepancies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific instructions or prerequisites that need to be followed.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error message and any relevant details about your migration process.
  
  
  
  Related Information:
  
  Transaction Codes: SE11, SE16, ST22 (for dumps), SM21 (for system logs).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Migration Tools: Familiarize yourself with the specific migration tools you are using, as they may have their own set of guidelines and best practices.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.