How To Fix CNV_OM_PRESEL221 - All preselection tasks and preselection table content deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM_PRESEL - Messages for LT Object Based Preselection

• Message number: 221

• Message text: All preselection tasks and preselection table content deleted

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_OM_PRESEL221 - All preselection tasks and preselection table content deleted ?

  The SAP error message CNV_OM_PRESEL221 indicates that all preselection tasks and the content of the preselection table have been deleted. This error typically arises in the context of data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  
  Manual Deletion: The preselection tasks or the preselection table content may have been manually deleted by a user or through a process that was not intended to remove these entries.
  System Configuration: There may be a misconfiguration in the system that leads to the deletion of these tasks.
  Data Migration Process: If the data migration process was interrupted or not completed successfully, it could lead to the deletion of preselection tasks.
  Transport Issues: If there were issues with transporting objects or configurations related to the migration, it could result in the loss of preselection data.
  
  Solution:
  
  Restore Preselection Tasks: If you have a backup or a way to restore the preselection tasks, you can do so to recover the lost data.
  Recreate Preselection Tasks: If restoration is not possible, you may need to manually recreate the preselection tasks based on the requirements of your migration or conversion process.
  Check Logs: Review the system logs to identify any actions that led to the deletion of the preselection tasks. This can help in understanding the root cause and preventing future occurrences.
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion tool you are using. There may be specific steps or guidelines for handling preselection tasks.
  Contact SAP Support: If the issue persists or if you are unable to resolve it, consider reaching out to SAP Support for assistance. They may provide insights or solutions based on your specific system configuration and version.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide guidance on handling preselection tasks.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using, as it may contain troubleshooting steps or best practices.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  
  By following these steps, you should be able to address the CNV_OM_PRESEL221 error and restore functionality to your data migration or conversion process.