How To Fix CNV20200020 - Only previously saved data gets downloaded

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 020

• Message text: Only previously saved data gets downloaded

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 CNV20200020 - Only previously saved data gets downloaded ?

  The SAP error message CNV20200020 indicates that only previously saved data can be downloaded. This error typically arises in the context of data migration or data transfer processes, particularly when using SAP's data migration tools or conversion programs.
  Cause:
  The error can occur due to several reasons:
  
  Incomplete Data Preparation: The data that you are trying to download may not have been fully prepared or saved in the system.
  Session Management: If the session or transaction was not properly completed or saved, the system may not have the necessary data to download.
  Authorization Issues: There may be restrictions on the user’s authorization to access or download certain data.
  Technical Issues: There could be underlying technical issues with the SAP system or the specific transaction being used.
  
  Solution:
  To resolve the error CNV20200020, you can try the following steps:
  
  
  Check Data Preparation:
  
  Ensure that the data you are trying to download has been properly saved and is available in the system.
  Review the data preparation steps to confirm that all necessary data has been processed.
  
  
  
  Complete the Session:
  
  Make sure that you have completed all necessary steps in the transaction or program before attempting to download the data.
  If you are in a multi-step process, ensure that you have saved your progress at each step.
  
  
  
  Review Authorizations:
  
  Check if your user account has the necessary authorizations to access and download the data.
  Consult with your SAP security team if you suspect authorization issues.
  
  
  
  Technical Checks:
  
  Look for any system logs or error messages that might provide additional context about the issue.
  If the problem persists, consider reaching out to your SAP Basis team to check for any technical issues with the system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific transaction or tool you are using for data migration. There may be specific guidelines or troubleshooting steps provided.
  
  
  
  Contact SAP Support:
  
  If none of the above solutions work, consider reaching out to SAP Support for further assistance. Provide them with the error message and any relevant details about the steps you took leading up to the error.
  
  
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to the CNV20200020 error for specific patches or updates that may address the issue.
  Data Migration Tools: Familiarize yourself with the specific data migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have unique requirements or configurations.
  User 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.