How To Fix CNV_10020004 - Error while saving the data

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 004

• Message text: Error while saving the data

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020004 - Error while saving the data ?

  The SAP error message CNV_10020004 typically indicates an issue encountered during data migration or data transfer processes, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  The error can arise due to several reasons, including but not limited to:
  
  Data Validation Issues: The data being migrated may not meet the required validation rules or constraints defined in the target system.
  Missing Required Fields: Certain mandatory fields may not be populated in the data being processed.
  Data Format Issues: The format of the data being imported may not match the expected format in the target system.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the operation.
  Technical Issues: There could be underlying technical issues such as database locks, connectivity problems, or system performance issues.
  
  Solution:
  To resolve the CNV_10020004 error, you can take the following steps:
  
  
  Check Data Quality: Review the data being migrated for any inconsistencies, missing fields, or format issues. Ensure that all required fields are populated and that the data adheres to the expected formats.
  
  
  Review Logs: Check the detailed logs generated during the migration process. These logs can provide more specific information about what caused the error.
  
  
  Authorization Check: Ensure that the user executing the migration has the necessary authorizations to perform the data save operation.
  
  
  Test in a Development Environment: If possible, replicate the migration process in a development or test environment to identify and resolve issues without affecting production data.
  
  
  Consult SAP Notes: Search for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error. SAP frequently updates its documentation with solutions for known issues.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including logs and the context in which it occurred.
  
  
  Related Information:
  
  SAP Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit and its functionalities, as it is often used for data migration tasks.
  Data Migration Best Practices: Review best practices for data migration to ensure a smooth process, including data cleansing, mapping, and validation.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the CNV_10020004 error effectively.