How To Fix ESH_IF_INA_JSON008 - Invalid tag type '&1' (use constants!)


SAP Error Message - Details

  • Message type: E = Error

  • Message class: ESH_IF_INA_JSON - JSON validation

  • Message number: 008

  • Message text: Invalid tag type '&1' (use constants!)

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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 ESH_IF_INA_JSON008 - Invalid tag type '&1' (use constants!) ?

    The SAP error message ESH_IF_INA_JSON008 indicates that there is an issue with the JSON structure being sent to the SAP system, specifically related to the use of an invalid tag type. The message suggests that the tag type being used is not recognized or is not valid, and it advises using constants instead.

    Cause:

    1. Invalid Tag Type: The error typically arises when the JSON payload sent to the SAP system contains a tag type that is not defined or recognized by the system. This could be due to a typo, incorrect formatting, or using a tag that is not supported.
    2. Incorrect JSON Structure: The JSON structure may not conform to the expected schema, leading to the system being unable to parse it correctly.
    3. Version Mismatch: If there is a mismatch between the version of the API being used and the expected version by the SAP system, it may lead to this error.

    Solution:

    1. Check JSON Structure: Review the JSON payload being sent to ensure that it adheres to the expected structure. Validate the JSON format using a JSON validator tool.
    2. Use Constants: Ensure that you are using the correct constants for tag types as specified in the SAP documentation. Replace any invalid tag types with the appropriate constants.
    3. Refer to Documentation: Consult the relevant SAP documentation or API specifications to understand the valid tag types and their expected formats.
    4. Debugging: If you have access to debugging tools, use them to trace the request and identify where the invalid tag type is being introduced.
    5. Update API Version: If applicable, ensure that you are using the correct version of the API that matches the SAP system's expectations.

    Related Information:

    • SAP Help Portal: Check the SAP Help Portal for documentation related to the specific API or service you are using.
    • SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions.
    • Error Logs: Review the error logs in the SAP system for additional context or details that may help in diagnosing 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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