How To Fix CNV20200616 - Changes of data detected; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 616

• Message text: Changes of data detected; see long text

What causes this issue?

Data that affects special priority handling has changed since the
activity <ZK>Special Priority Handling</> was executed. This means that
the special priority handling data must also be changed. Possible
reasons can include changes to mapping values, or new excluded tables.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200616 - Changes of data detected; see long text ?

  The SAP error message CNV20200616, which states "Changes of data detected; see long text," typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools or during system upgrades. This error indicates that there are discrepancies or changes in the data that the system has detected, which may prevent the migration or conversion process from proceeding smoothly.
  Cause:
  
  Data Inconsistencies: The data being migrated may have inconsistencies or conflicts that need to be resolved. This could be due to changes made in the source system after the initial extraction or due to data integrity issues.
  Duplicate Entries: There may be duplicate entries or records that conflict with the migration rules.
  Missing Data: Required fields may be missing or not populated correctly in the source data.
  Data Format Issues: The format of the data may not match the expected format in the target system.
  Business Rules Violations: The data may not comply with the business rules defined in the target system.
  
  Solution:
  
  Review Long Text: The first step is to check the long text associated with the error message for specific details about the changes detected. This can provide insights into what data is causing the issue.
  Data Validation: Validate the data in the source system to ensure it meets the requirements of the target system. Look for inconsistencies, duplicates, and missing values.
  Data Cleansing: Cleanse the data to remove duplicates, fill in missing values, and correct any inconsistencies.
  Re-extract Data: If changes were made to the source data after the initial extraction, consider re-extracting the data to ensure it is up-to-date.
  Consult Migration Documentation: Refer to the SAP migration documentation for guidelines on how to handle specific data issues.
  Use SAP Tools: Utilize SAP tools like the SAP Data Services or SAP S/4HANA Migration Cockpit, which may provide additional functionalities for data validation and cleansing.
  Testing: Conduct thorough testing in a non-production environment to ensure that the data migration process works as expected after making the necessary corrections.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation related to data migration and conversion processes for best practices and guidelines.
  
  By following these steps, you should be able to identify the root cause of the CNV20200616 error and implement a solution to resolve it.