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How To Fix TWBA098 - Only use valid characters


SAP Error Message - Details

  • Message type: E = Error

  • Message class: TWBA - Test case attribute messages

  • Message number: 098

  • Message text: Only use valid characters

  • Show details Hide details
  • What causes this issue?

    You tried to create a test case whose name contains an invalid
    character. The following characters are allowed: Letters [A...Z], num
    bers [0...9] and the special characters '_', '/', ' '.

    System Response

    The test case cannot be created.

    How to fix this error?

    Only use valid characters.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message TWBA098 - Only use valid characters ?

    The SAP error message TWBA098, which states "Only use valid characters," typically occurs when a user inputs data that contains invalid characters in a field that has specific character restrictions. This can happen in various contexts, such as when entering data in a transaction, creating a master record, or uploading data.

    Cause:

    The error is triggered when the input data includes characters that are not allowed according to the field's definition in the SAP system. Common causes include:

    • Special characters (e.g., @, #, $, %, &, etc.) that are not permitted.
    • Spaces or leading/trailing spaces in the input.
    • Incorrectly formatted data (e.g., numeric fields containing letters).
    • Input that exceeds the maximum length defined for the field.

    Solution:

    To resolve the TWBA098 error, you can take the following steps:

    1. Check Input Data: Review the data you are trying to enter and ensure that it only contains valid characters. Remove any special characters, spaces, or invalid formats.

    2. Refer to Field Documentation: Look up the field's documentation or data element definition in SAP to understand the valid character set and formatting rules.

    3. Use Allowed Characters: Ensure that you are using only the characters that are allowed for that specific field. For example, if the field is meant for numeric input, ensure that only numbers are entered.

    4. Trim Spaces: If you suspect that spaces might be causing the issue, make sure to trim any leading or trailing spaces from your input.

    5. Check Field Length: Ensure that the input does not exceed the maximum length defined for the field.

    6. Consult with SAP Support: If you are unsure about the valid characters or if the issue persists after checking your input, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.

    Related Information:

    • Field Definitions: You can check the field definitions in the Data Dictionary (transaction SE11) to see the allowed data types and formats.
    • Transaction Codes: The error can occur in various transaction codes, so knowing where it happens can help narrow down the issue.
    • User Exits and Enhancements: Sometimes, custom code or enhancements may impose additional restrictions on input fields, leading to this error.

    By following these steps, you should be able to identify and correct the input that is causing the TWBA098 error in SAP.

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