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How To Fix SALV_X_API138 - Illegal node specified: Node is initial


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SALV_X_API - Messages for ALV API exceptions

  • Message number: 138

  • Message text: Illegal node specified: Node is initial

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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.



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Smart SAP Assistant

  • What is the cause and solution for SAP error message SALV_X_API138 - Illegal node specified: Node is initial ?

    The SAP error message SALV_X_API138: Illegal node specified: Node is initial typically occurs when working with the SAP ALV (ABAP List Viewer) framework, particularly when trying to manipulate or access nodes in an ALV hierarchy that have not been properly initialized or populated.

    Cause:

    1. Uninitialized Node: The error indicates that the node you are trying to access or manipulate is not initialized. This can happen if you attempt to reference a node that has not been created or populated with data.
    2. Incorrect Node Reference: You may be trying to access a node that does not exist in the context of the ALV hierarchy.
    3. Data Retrieval Issues: If the data retrieval process fails or returns no data, the nodes may not be created, leading to this error when you try to access them.

    Solution:

    1. Check Node Initialization: Ensure that the node you are trying to access is properly initialized. You can do this by checking the code where the node is created and populated.
    2. Verify Data Retrieval: Make sure that the data retrieval logic is functioning correctly and that it returns the expected results. If the data is not being fetched correctly, the nodes will not be created.
    3. Debugging: Use debugging tools to step through the code and check the state of the nodes at runtime. This can help identify where the node is not being initialized.
    4. Error Handling: Implement error handling to check if the node is initial before trying to access it. This can prevent the error from occurring and allow for graceful handling of the situation.
    5. Review ALV Configuration: Ensure that the ALV configuration is set up correctly, including any settings related to hierarchy or node management.

    Related Information:

    • ALV Documentation: Review the SAP documentation on ALV and the specific classes or methods you are using. This can provide insights into proper usage and initialization of nodes.
    • SAP Community: Check forums and community discussions for similar issues. Other developers may have encountered the same error and can provide solutions or workarounds.
    • SAP Notes: Search for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.

    By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.

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