How To Fix CNV_10020040 - Elementary relationship &1: Table &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 040

• Message text: Elementary relationship &1: Table &2 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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020040 - Elementary relationship &1: Table &2 does not exist ?

  The SAP error message CNV_10020040 typically indicates that there is an issue related to a missing table in the context of a conversion or migration process. This error is part of the SAP Conversion and Migration tools, often encountered during data migration activities, such as when using the SAP S/4HANA Migration Cockpit or other data transformation tools.
  Cause:
  The error message "Elementary relationship &1: Table &2 does not exist" suggests that the system is trying to access a database table that is expected to be present but is not found in the database. The placeholders &1 and &2 represent specific details about the relationship and the table name, respectively. Common causes for this error include:
  
  Missing Table: The specified table does not exist in the database, possibly due to an incomplete installation or migration.
  Incorrect Configuration: The configuration settings for the migration or conversion process may be incorrect, leading to the system looking for a table that should not be referenced.
  Version Mismatch: The version of the SAP system may not support the expected tables, especially if there are discrepancies between source and target systems.
  Data Model Changes: Changes in the data model during upgrades or migrations may lead to certain tables being renamed or removed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Table Existence: Verify if the table mentioned in the error message actually exists in the database. You can do this by using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to search for the table.
  
  
  Review Migration Configuration: Ensure that the migration or conversion configuration is set up correctly. Check if the mapping and relationships defined in the migration tool are accurate.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion process you are using. There may be notes or guidelines regarding the expected tables and their relationships.
  
  
  Check for Notes and Patches: Look for any SAP Notes or patches that may address this issue. Sometimes, SAP releases updates that fix known issues related to data migration.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with the error details and any relevant logs or context.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or solutions for this specific error.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Check SAP Community forums or other user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the error CNV_10020040 effectively.