How To Fix CNV643 - Index-building task (if there are any) were highlighted in yellow

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 643

• Message text: Index-building task (if there are any) were highlighted in yellow

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 CNV643 - Index-building task (if there are any) were highlighted in yellow ?

  The SAP error message CNV643 typically relates to issues encountered during the index-building task in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. The message being highlighted in yellow usually indicates a warning rather than a critical error, suggesting that while the process can continue, there may be potential issues that need to be addressed.
  Cause:
  
  Data Quality Issues: There may be inconsistencies or errors in the data being processed, which can lead to warnings during index building.
  Performance Concerns: The system may be warning about potential performance impacts due to the size of the data or the complexity of the indexes being built.
  Configuration Issues: Incorrect or suboptimal configuration settings for the index-building process can lead to warnings.
  Resource Limitations: Insufficient system resources (like memory or CPU) during the index-building task can trigger warnings.
  
  Solution:
  
  Review Data Quality: Check the data being migrated for any inconsistencies or errors. Clean up the data if necessary.
  Optimize Index Configuration: Review the configuration settings for the index-building task. Ensure that they are optimal for the data size and structure.
  Monitor System Resources: Ensure that the system has adequate resources (CPU, memory, disk space) to handle the index-building task efficiently.
  Check Logs: Review the logs for more detailed information about the warning. This can provide insights into specific issues that need to be addressed.
  Consult Documentation: Refer to SAP documentation or notes related to the CNV643 message for any specific recommendations or known issues.
  Seek Support: If the issue persists, consider reaching out to SAP support for assistance, especially if the warning could impact the overall migration process.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to the CNV643 message.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide additional context and troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By addressing the underlying causes and following the suggested solutions, you can mitigate the impact of the CNV643 warning and ensure a smoother data migration process.