How To Fix SAP_GUIDELINES133 - CHANGING parameter in method: (&1) violates naming convention


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SAP_GUIDELINES - SAP ONLY: Check internal guidelines

  • Message number: 133

  • Message text: CHANGING parameter in method: (&1) violates naming convention

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message SAP_GUIDELINES133 - CHANGING parameter in method: (&1) violates naming convention ?

    The SAP error message SAP_GUIDELINES133 indicates that there is a violation of naming conventions when changing a parameter in a method. This typically occurs in ABAP (Advanced Business Application Programming) when the naming of parameters does not adhere to the established guidelines or standards set by SAP or the development team.

    Cause:

    1. Naming Convention Violation: The parameter name does not follow the required naming conventions. For example, it may start with a lowercase letter, contain special characters, or be too long.
    2. Inconsistent Naming: The parameter name may not be consistent with the naming conventions used in the rest of the method or class.
    3. Reserved Keywords: The parameter name may inadvertently use a reserved keyword or a name that is already in use within the scope.

    Solution:

    1. Review Naming Conventions: Check the naming conventions defined for your project or organization. Common conventions include:

      • Parameters should start with a lowercase letter.
      • Use underscores to separate words (e.g., input_value).
      • Avoid using special characters or spaces.
      • Ensure that the name is descriptive and meaningful.
    2. Rename the Parameter: Change the parameter name in the method to comply with the naming conventions. For example, if the parameter is named InputValue, you might rename it to input_value.

    3. Consistency Check: Ensure that the new name is consistent with other parameters in the method and follows the same naming pattern.

    4. Code Review: After making changes, conduct a code review to ensure that the new naming adheres to the guidelines and does not introduce any new issues.

    5. Testing: After renaming the parameter, test the method to ensure that it functions correctly with the new parameter name.

    Related Information:

    • ABAP Naming Conventions: Familiarize yourself with the standard naming conventions in ABAP, which can be found in the SAP documentation or your organization's coding standards.
    • SAP Code Inspector: Use the SAP Code Inspector tool to analyze your code for compliance with naming conventions and other best practices.
    • Development Guidelines: Refer to any internal development guidelines that may provide additional context or rules regarding naming conventions.

    By addressing the naming convention violation, you should be able to resolve the SAP_GUIDELINES133 error and proceed with your development work.

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