How To Fix OIUPR399 - Please enter API WC NO in format "Char Num Num" only.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: OIUPR - PRA Production Messages

  • Message number: 399

  • Message text: Please enter API WC NO in format "Char Num Num" only.

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message OIUPR399 - Please enter API WC NO in format "Char Num Num" only. ?

    The SAP error message OIUPR399, which states "Please enter API WC NO in format 'Char Num Num' only," typically occurs when the input for the API (Application Programming Interface) Work Center Number (WC NO) does not conform to the expected format. The required format is a character followed by two numeric digits (e.g., A12, B34).

    Cause:

    1. Incorrect Format: The input provided does not match the expected format of "Char Num Num." This could be due to:

      • Missing characters or numbers.
      • Extra characters or numbers.
      • Incorrect character types (e.g., using special characters or spaces).
    2. Data Entry Error: Users may inadvertently enter the wrong values due to typographical errors.

    Solution:

    1. Check Input Format: Ensure that the API Work Center Number you are entering follows the specified format:

      • The first character should be an alphabetic character (A-Z).
      • The next two characters should be numeric digits (0-9).
    2. Correct the Entry: If the input does not meet the format requirements, correct it accordingly. For example:

      • If you entered "A123", change it to "A12".
      • If you entered "AB1", change it to "A01".
    3. Validation: Implement validation checks in your data entry process to prevent incorrect formats from being submitted.

    4. Consult Documentation: If you are unsure about the valid values for the API Work Center Number, refer to your organization's SAP documentation or consult with your SAP administrator.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes or documentation that might provide additional context or updates regarding this error message.
    • User Training: Ensure that users are trained on the correct data entry formats to minimize errors.
    • System Configuration: If this error persists despite correct input, it may be worth checking the system configuration or settings related to the API Work Center Number to ensure they are set up correctly.

    If the issue continues after following these steps, consider reaching out to your SAP support team for further assistance.

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