How To Fix DMCLG684 - Identifier is too long; maximum valid length in SAP namespace: &1


SAP Error Message - Details

  • Message type: E = Error

  • Message class: DMCLG - DMC Tool Development

  • Message number: 684

  • Message text: Identifier is too long; maximum valid length in SAP namespace: &1

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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.



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    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 DMCLG684 - Identifier is too long; maximum valid length in SAP namespace: &1 ?

    The SAP error message DMCLG684 indicates that an identifier (such as a name for a variable, table, or other object) exceeds the maximum allowed length in the SAP namespace. The message specifies that the identifier is too long and provides the maximum valid length as part of the error message.

    Cause:

    The primary cause of this error is that the identifier you are trying to use exceeds the length limit set by SAP. In SAP, different types of identifiers have specific length restrictions. For example:

    • Table names, field names, and other object names typically have a maximum length of 30 characters.
    • Certain namespaces may have different restrictions based on the type of object or the specific SAP system configuration.

    Solution:

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

    1. Identify the Identifier: Check the identifier that is causing the error. This could be a variable name, table name, or any other object name.

    2. Shorten the Identifier: Modify the identifier to ensure it is within the allowed length. You can do this by:

      • Abbreviating the name.
      • Using a more concise naming convention.
      • Removing unnecessary characters or words.
    3. Check Naming Conventions: Ensure that you are following the naming conventions and guidelines set by your organization or SAP. This can help prevent similar issues in the future.

    4. Test Changes: After making the changes, test the functionality to ensure that the identifier works correctly and that the error no longer appears.

    Related Information:

    • SAP Documentation: Refer to the official SAP documentation for specific guidelines on naming conventions and identifier lengths for different object types.
    • SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions related to this error.
    • Development Guidelines: Review your organization's development guidelines to ensure compliance with naming standards.

    If the issue persists after making the necessary changes, consider reaching out to your SAP support team or consulting with a developer who has experience with SAP systems for further assistance.

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