How To Fix AD491 - Dependent table &


SAP Error Message - Details

  • Message type: E = Error

  • Message class: AD - Data Dictionary application messages

  • Message number: 491

  • Message text: Dependent table &

  • Show details Hide details
  • What causes this issue?

    When domains and data elements are activated, tables are regenerated
    where necessary. Changed domain and data element attributes must
    be regenerated at table level.
    Tables requiring regeneration are referred to as 'dependent tables'.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message AD491 - Dependent table & ?

    The SAP error message AD491 typically indicates that there is an issue with a dependent table in the context of a data model or a database operation. This error often arises when there are inconsistencies or issues with the data relationships between tables in the SAP system.

    Cause:

    1. Missing or Inconsistent Data: The dependent table may not have the required data that is referenced by the primary table.
    2. Foreign Key Violations: There may be foreign key constraints that are not being satisfied, meaning that the data in the dependent table does not match the expected values in the primary table.
    3. Data Model Changes: If there have been recent changes to the data model (like adding or removing fields), it could lead to inconsistencies.
    4. Transport Issues: If the changes were transported from one system to another (e.g., from development to production), there might be missing objects or data.

    Solution:

    1. Check Data Integrity: Verify that the data in the dependent table is consistent with the primary table. Ensure that all foreign key relationships are satisfied.
    2. Data Correction: If there are missing entries in the dependent table, you may need to insert the required data or correct any inconsistencies.
    3. Review Recent Changes: If the error occurred after a recent change, review those changes to ensure they were implemented correctly.
    4. Use Transaction Codes: Utilize transaction codes like SE11 (Data Dictionary) to check the structure of the tables and their relationships.
    5. Debugging: If you have access to debugging tools, you can trace the program or transaction that is causing the error to identify the exact point of failure.
    6. Consult Documentation: Check SAP notes or documentation related to the specific error message for any additional guidance or patches that may be available.

    Related Information:

    • SAP Notes: Search for SAP Notes related to error AD491 in the SAP Support Portal. There may be specific notes addressing this error with detailed solutions.
    • Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SE37 (Function Module) for troubleshooting.
    • Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.

    If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.

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