How To Fix CNV_OM_PRESEL138 - Task: &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 138

• Message text: Task: &1

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_PRESEL138 - Task: &1 ?

  The SAP error message CNV_OM_PRESEL138 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error is related to the pre-selection of data for migration and indicates that there is an issue with the data being processed.
  Cause:
  The error message CNV_OM_PRESEL138 can be caused by several factors, including:
  
  Data Inconsistencies: The data being migrated may have inconsistencies or issues that prevent it from being processed correctly.
  Missing Configuration: Required configuration settings or master data may be missing in the target system.
  Invalid Data Formats: The data format may not match the expected format in the target system.
  Dependencies: There may be dependencies on other data or objects that are not met.
  
  Solution:
  To resolve the CNV_OM_PRESEL138 error, you can take the following steps:
  
  Check Data Consistency: Review the data being migrated for any inconsistencies or errors. Ensure that all required fields are populated and that the data adheres to the expected formats.
  Verify Configuration: Ensure that all necessary configuration settings in the target system are in place. This includes checking for any missing master data or configuration entries.
  Review Migration Logs: Check the migration logs for more detailed error messages or warnings that can provide insights into what specifically is causing the issue.
  Data Mapping: Ensure that the data mapping between the source and target systems is correctly defined and that all necessary transformations are applied.
  Test Migration: If possible, perform a test migration with a smaller dataset to identify any issues before attempting a full migration.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration scenario you are working on for additional guidance.
  
  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.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it may contain specific guidelines and best practices for data migration.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.