How To Fix CNV_MBT_CWB026 - Generating of conversion logic for table &1 failed


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_MBT_CWB - Messages for CWB-PCL-Interface

  • Message number: 026

  • Message text: Generating of conversion logic for table &1 failed

  • Show details Hide details


  • 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_MBT_CWB026 - Generating of conversion logic for table &1 failed ?

    The SAP error message CNV_MBT_CWB026 indicates that there was a failure in generating conversion logic for a specific table during a data migration or conversion process. This error is typically encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion projects.

    Causes:

    1. Data Model Issues: The structure of the source or target table may not be compatible, or there may be missing fields or incorrect data types.
    2. Configuration Errors: Incorrect configuration settings in the migration project or in the mapping of fields can lead to this error.
    3. Missing or Incomplete Data: If the source data is incomplete or has integrity issues, it can cause the conversion logic generation to fail.
    4. Authorization Issues: Lack of necessary authorizations to access certain tables or data can also lead to this error.
    5. Technical Issues: Bugs or issues in the migration tool itself or in the underlying SAP system can cause failures.

    Solutions:

    1. Check Data Model: Review the source and target data models to ensure that they are compatible. Make sure all required fields are present and correctly defined.
    2. Review Configuration: Go through the configuration settings of the migration project. Ensure that all mappings are correctly defined and that there are no discrepancies.
    3. Data Quality Check: Perform a data quality check on the source data to identify and resolve any issues such as missing values, incorrect formats, or integrity violations.
    4. Authorization Check: Ensure that the user executing the migration has the necessary authorizations to access the relevant tables and data.
    5. Log Analysis: Check the detailed logs for more specific error messages that can provide insights into what went wrong during the conversion logic generation.
    6. SAP Notes and Support: Look for relevant SAP Notes that may address known issues related to this error. If necessary, contact SAP support for assistance.

    Related Information:

    • Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for Migration Cockpit) or SCC1 (for client copy) that may be involved in the migration process.
    • Documentation: Review SAP documentation related to data migration and conversion, as it may provide additional insights and best practices.
    • Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.

    By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.

    • Do you have any question about this error?


      Upgrade now to chat with this error.


Instant HelpGet instant SAP help. Start your 7-day free trial now.


Related SAP Error Messages

Click the links below to see the following related messages:

Click on this link to search all SAP messages.


Rating
The AI Support Assistant is great. It provides comprehensive assistance even on the most difficult issues. I highly recommend this service.
Rate 1
John Jordan
SAP Consultant & Author