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  2. Message Class VLA ›
  3. VLA302

How To Fix VLA302 - Unable to update inbound delivery since already distributed to dec.system


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VLA302 - Overview

  • Message type: E = Error

  • Message class: VLA - General Output Class for Delivery

  • Message number: 302

  • Message text: Unable to update inbound delivery since already distributed to dec.system

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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.


VLA302 - Details

  • Error Code: VLA302

    Error Message: Unable to update inbound delivery since already distributed to dec.system


    Summary

    This error means that the inbound delivery document cannot be changed or updated because it has already been distributed to the decentralized system. The system locks the delivery to prevent inconsistencies between SAP and the external system.


    Root Causes

    • The inbound delivery has already been sent to a decentralized system (e.g., warehouse management or logistics execution system), triggering a lock on changes.
    • User attempts to modify delivery data after distribution without proper reversal or synchronization.
    • System configuration enforces strict data consistency between SAP ERP and decentralized systems, preventing updates post-distribution.
    • Incomplete or missing integration settings causing the system to incorrectly flag the delivery as distributed.

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