How To Fix CNV_PE_SEL040 - Preselection tasks ended with warning

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_SEL -

• Message number: 040

• Message text: Preselection tasks ended with warning

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_PE_SEL040 - Preselection tasks ended with warning ?

  The SAP error message CNV_PE_SEL040 indicates that preselection tasks in a data migration or conversion process have ended with warnings. This message is typically associated with the SAP S/4HANA Migration Cockpit or other data migration tools within SAP.
  Cause:
  The warning can arise from various issues during the preselection tasks, such as:
  
  Data Quality Issues: The data being processed may not meet the required quality standards, such as missing mandatory fields, incorrect data formats, or data inconsistencies.
  Configuration Issues: There may be configuration settings in the migration tool that are not correctly set up, leading to warnings during the preselection.
  Mapping Issues: If there are issues with the mapping of source data to target structures, this can trigger warnings.
  Performance Issues: Sometimes, performance-related warnings can occur if the system is under heavy load or if there are resource constraints.
  
  Solution:
  To resolve the warnings associated with the CNV_PE_SEL040 message, you can take the following steps:
  
  Review the Warning Details: Check the detailed log or output of the preselection task to identify the specific warnings. This will help you understand the root cause.
  Data Cleansing: If the warnings are related to data quality, perform data cleansing to correct any issues in the source data.
  Adjust Configuration: Review the configuration settings of the migration tool to ensure they are set up correctly.
  Check Mapping: Verify the mapping of fields between the source and target systems to ensure they align correctly.
  Run Preselection Again: After addressing the identified issues, rerun the preselection tasks to see if the warnings are resolved.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for additional guidance on handling warnings.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for the specific warnings you are encountering.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and how they resolved them.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using for best practices and troubleshooting tips.
  
  By following these steps, you should be able to address the warnings associated with the CNV_PE_SEL040 message and ensure a smoother data migration process.