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How To Fix SYSTEMSWITCH023 - System switch setting: more than one entry exists in system switch table


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SYSTEMSWITCH - Messages for System Switch

  • Message number: 023

  • Message text: System switch setting: more than one entry exists in system switch table

  • Show details Hide details
  • What causes this issue?

    The cause cannot be defined.

    System Response

    The R/3 System can no longer function correctly.

    How to fix this error?

    Notify your system administrator immediately.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message SYSTEMSWITCH023 - System switch setting: more than one entry exists in system switch table ?

    The SAP error message SYSTEMSWITCH023 indicates that there is an issue with the system switch settings in your SAP system. Specifically, it means that there are multiple entries in the system switch table, which should only have one active entry for a given switch.

    Cause:

    The primary cause of this error is that the system switch table (usually T000 or a similar table depending on the context) contains more than one entry for a specific system switch. This can happen due to:

    1. Data Corruption: Incorrect data entries or corruption in the database.
    2. Configuration Errors: Manual changes made to the system switch settings that resulted in duplicate entries.
    3. Transport Issues: Transporting configuration settings from one system to another may have led to duplicate entries if not handled properly.

    Solution:

    To resolve the SYSTEMSWITCH023 error, you can follow these steps:

    1. Check the System Switch Table:

      • Use transaction code SE11 or SE16 to view the contents of the system switch table (e.g., T000).
      • Look for duplicate entries for the specific system switch that is causing the error.
    2. Identify Duplicates:

      • Identify the entries that are duplicates. You may need to check the SWITCH_NAME or similar fields to find the conflicting entries.
    3. Remove or Correct Duplicates:

      • If you have identified duplicate entries, you will need to remove or correct them. This can typically be done using transaction SE14 (Database Utility) to delete or adjust the entries.
      • Ensure that you keep the correct entry that should remain active.
    4. Check for Consistency:

      • After making changes, ensure that the system is consistent and that there are no other issues. You can run consistency checks or use transaction SICF to check for service consistency.
    5. Transport Management:

      • If the issue arose from a transport, ensure that the transport requests are correctly managed and that no duplicates are being transported.
    6. Consult Documentation:

      • Refer to SAP Notes or documentation related to system switches for any specific instructions or guidelines.
    7. Backup:

      • Always ensure you have a backup of your data before making changes to the database.

    Related Information:

    • SAP Notes: Check SAP Notes related to SYSTEMSWITCH023 for any specific patches or updates that may address this issue.
    • System Switches: Familiarize yourself with how system switches work in SAP and their purpose, as this will help in understanding the implications of changes.
    • Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance.

    By following these steps, you should be able to resolve the SYSTEMSWITCH023 error and restore normal functionality to your SAP system.

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