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How To Fix MX021 - Define table name <> ' '


SAP Error Message - Details

  • Message type: E = Error

  • Message class: MX - Table Multiplexing and Conversion Programs for UPG

  • Message number: 021

  • Message text: Define table name <> ' '

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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 MX021 - Define table name <> ' ' ?

    The SAP error message MX021, which states "Define table name <> ' '," typically occurs in the context of the SAP Plant Maintenance (PM) module or when working with the SAP Maintenance Management system. This error indicates that a required table name has not been defined or is missing in the configuration.

    Cause:

    1. Missing Configuration: The error usually arises when a necessary configuration for a table in the system is not set up correctly. This could be due to a missing entry in a customizing table or a misconfiguration in the system settings.
    2. Incorrect Input: The error can also occur if the input provided to a transaction or program is incorrect or incomplete, leading to the system not being able to identify the required table.
    3. Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify the table, leading to this error.

    Solution:

    1. Check Configuration:

      • Go to the relevant customizing transaction (e.g., SPRO) and navigate to the area related to the error. Ensure that all necessary tables and configurations are defined correctly.
      • Look for any missing entries in the customizing tables that are relevant to the operation you are trying to perform.
    2. Review Input Data:

      • Ensure that all required fields are filled out correctly in the transaction you are using. Check for any mandatory fields that may have been left blank.
    3. Authorization Check:

      • Verify that the user has the necessary authorizations to access the relevant tables. You may need to consult with your SAP security team to ensure that the user roles are correctly assigned.
    4. Consult Documentation:

      • Refer to SAP documentation or help files related to the specific transaction or module you are working with. This can provide insights into what configurations are required.
    5. SAP Notes:

      • Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
    6. Contact SAP Support:

      • If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with details about the error, including the transaction code and any relevant configuration settings.

    Related Information:

    • Transaction Codes: Familiarize yourself with transaction codes related to the PM module, as they may help in navigating to the correct configuration settings.
    • Customizing Tables: Understanding the customizing tables relevant to your specific SAP implementation can help in troubleshooting similar issues in the future.
    • User Roles and Authorizations: Ensure that user roles are regularly reviewed and updated to prevent authorization-related issues.

    By following these steps, you should be able to identify and resolve the cause of the MX021 error in your SAP system.

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