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How To Fix WVMI801 - Error occurred when updating table TWVMO (return code &1)


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WVMI - Messages about enhancements for VMI

  • Message number: 801

  • Message text: Error occurred when updating table TWVMO (return code &1)

  • Show details Hide details
  • What causes this issue?

    System Response

    Data could not be updated to the system.

    How to fix this error?

    Make sure that table TWVMO is active and unlocked. You can restart
    report RWVMIX01 after having done so.

    Procedure for System Administrators

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


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message WVMI801 - Error occurred when updating table TWVMO (return code &1) ?

    The SAP error message WVMI801 indicates that there was an issue when trying to update the table TWVMO, and it provides a return code that can help diagnose the specific problem. This error typically occurs in the context of the SAP Vehicle Management System (VMS) or related modules.

    Possible Causes:

    1. Data Integrity Issues: The data being processed may violate constraints or rules defined in the TWVMO table, such as primary key violations or foreign key constraints.
    2. Database Locking: The table may be locked by another transaction, preventing the update from being completed.
    3. Authorization Issues: The user executing the transaction may not have the necessary authorizations to update the table.
    4. Technical Issues: There could be a problem with the database connection, or the database itself may be experiencing issues.
    5. Incorrect Return Code: The return code provided in the error message can give more specific information about the nature of the error.

    Solutions:

    1. Check Return Code: Analyze the return code provided in the error message. This code can give specific insights into what went wrong. Refer to SAP documentation or support for details on the return code.
    2. Data Validation: Ensure that the data being processed is valid and does not violate any constraints. Check for duplicates or invalid entries.
    3. Database Locks: Use transaction codes like SM12 to check for locks on the TWVMO table. If locks are found, you may need to wait for the other transaction to complete or resolve the lock.
    4. Authorization Check: Verify that the user has the necessary authorizations to perform the update. This can be checked in transaction SU53 or by consulting with your security team.
    5. Database Health: Check the health of the database and ensure that it is functioning correctly. This may involve checking logs or consulting with your database administrator.
    6. SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates that resolve the issue.

    Related Information:

    • Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SM21 (System Log) to investigate the issue further.
    • SAP Support: If the issue persists, consider reaching out to SAP Support with detailed information about the error, including the return code and any relevant logs.
    • Documentation: Review the SAP documentation for the Vehicle Management System or the specific module you are working with for any known issues or troubleshooting steps.

    By following these steps, you should be able to diagnose and resolve the WVMI801 error effectively.

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