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How To Fix CNV_DMC_SIN240 - Entered task list group number &1 too long for external numbering


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_DMC_SIN - Messages for s-innovations migration

  • Message number: 240

  • Message text: Entered task list group number &1 too long for external numbering

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  • 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_DMC_SIN240 - Entered task list group number &1 too long for external numbering ?

    The SAP error message CNV_DMC_SIN240 indicates that the task list group number you have entered is too long for the external numbering system. This typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit or similar tools.

    Cause:

    The error is caused by the task list group number exceeding the maximum length allowed by the system. Each field in SAP has a defined length, and if the input exceeds this length, the system will throw an error.

    Solution:

    To resolve this error, you can take the following steps:

    1. Check the Length of the Task List Group Number:

      • Verify the maximum length allowed for the task list group number in your SAP system. This can usually be found in the data dictionary or documentation for the specific module you are working with.
    2. Shorten the Task List Group Number:

      • If the number you are trying to enter exceeds the maximum length, you will need to shorten it. This may involve using a different naming convention or abbreviating the number.
    3. Update the Configuration:

      • If you have control over the configuration, consider adjusting the settings to allow for longer task list group numbers, if feasible. However, this may not always be possible depending on system constraints.
    4. Consult Documentation:

      • Review the SAP documentation or help files related to the Data Migration Cockpit or the specific transaction you are using. There may be specific guidelines or examples provided.
    5. Contact SAP Support:

      • If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights specific to your version of SAP or the particular migration scenario you are working with.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
    • Transaction Codes: Familiarize yourself with transaction codes related to data migration, such as LTMC (Legacy Transfer Migration Cockpit) or LTMOM (Migration Object Modeler).
    • Data Migration Best Practices: Review best practices for data migration in SAP to ensure that you are following recommended procedures and guidelines.

    By following these steps, you should be able to resolve the CNV_DMC_SIN240 error and successfully proceed with your data migration tasks.

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