How To Fix CNV_PE883 - Processing UNDO step &1/&2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 883

• Message text: Processing UNDO step &1/&2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE883 - Processing UNDO step &1/&2 ?

  The SAP error message "CNV_PE883 Processing UNDO step &1/&2" typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there was an issue while trying to undo a previous step in the migration process.
  Cause:
  
  Data Integrity Issues: The data being processed may have integrity issues, such as foreign key violations or missing references.
  Configuration Errors: There may be misconfigurations in the migration settings or parameters that are causing the process to fail.
  System Resource Limitations: Insufficient system resources (like memory or disk space) can lead to failures during the undo process.
  Previous Step Failures: If a previous step in the migration process failed, the system may not be able to properly execute the undo step.
  Locking Issues: Database locks or transactions that are not properly released can also lead to this error.
  
  Solution:
  
  Check Logs: Review the detailed logs for the migration process to identify the specific cause of the error. Look for any preceding error messages that might provide context.
  Data Validation: Ensure that the data being migrated is valid and adheres to the required integrity constraints. Correct any data issues before re-running the migration.
  Configuration Review: Double-check the configuration settings for the migration process to ensure they are correct and complete.
  Resource Monitoring: Monitor system resources during the migration process to ensure that there are no bottlenecks. Increase resources if necessary.
  Retry the Process: If the issue was transient, you may simply need to retry the migration process after addressing any identified issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error message.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit for best practices and troubleshooting tips.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context.
  
  By following these steps, you should be able to diagnose and resolve the "CNV_PE883 Processing UNDO step &1/&2" error in your SAP environment.