How To Fix CNV_20100644 - No duplicate COES table keys during conversion; no adjustment required

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 644

• Message text: No duplicate COES table keys during conversion; no adjustment required

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100644 - No duplicate COES table keys during conversion; no adjustment required ?

  The SAP error message CNV_20100644 indicates that during a data conversion process, the system has detected that there are no duplicate keys in the COES (Controlling Object Assignment) table. This message typically arises in the context of data migration or conversion projects, particularly when using SAP's Conversion Tools or the SAP S/4HANA Migration Cockpit.
  Cause:
  The error message suggests that the conversion process is checking for duplicate entries in the COES table, which is used to manage assignments of controlling objects. The absence of duplicates means that the data is already in a consistent state, and therefore, no adjustments or changes are necessary.
  Solution:
  Since the message indicates that there are no duplicates and no adjustments are required, there is typically no action needed on your part. However, if you are expecting duplicates or if this message is unexpected, consider the following steps:
  
  
  Review Data: Check the source data to ensure that it is as expected. If you believe there should be duplicates, verify the data extraction and transformation processes to ensure they are functioning correctly.
  
  
  Check Configuration: Ensure that the configuration settings for the conversion process are correct. Sometimes, settings may inadvertently filter out or misinterpret data.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific conversion or migration process you are undertaking. This can provide insights into the expected behavior and any necessary preconditions.
  
  
  Log Analysis: Review the logs generated during the conversion process for any additional messages or warnings that might provide context for this message.
  
  
  SAP Support: If you are still unsure or if the message is causing issues in your conversion process, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  COES Table: The COES table is part of the controlling module in SAP and is used to manage the assignment of various controlling objects. Understanding its structure and purpose can help in diagnosing issues related to data integrity.
  Data Migration Tools: Familiarize yourself with the tools and methodologies used for data migration in SAP, such as the SAP S/4HANA Migration Cockpit or SAP Data Services.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error message or provide additional context or solutions.
  
  In summary, the CNV_20100644 message indicates a normal state where no duplicates were found, and no action is required unless there are specific concerns about the data integrity or conversion process.