How To Fix SAP_GUIDELINES128 - Declaration of constant in interface: (&1) violates naming convention

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 128

• Message text: Declaration of constant in interface: (&1) violates naming convention

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAP_GUIDELINES128 - Declaration of constant in interface: (&1) violates naming convention ?

  The SAP error message SAP_GUIDELINES128 indicates that there is a violation of naming conventions for constants declared in an interface. This error typically arises when the naming of constants does not adhere to the established guidelines set by SAP for naming conventions in ABAP (Advanced Business Application Programming).
  Cause:
  The error is triggered when a constant in an interface is named in a way that does not conform to the expected naming standards. Common reasons for this error include:
  
  The constant name does not start with a capital letter.
  The constant name contains invalid characters (e.g., spaces, special characters).
  The constant name does not follow the recommended format, which usually includes uppercase letters and underscores (e.g., CONSTANT_NAME).
  
  Solution:
  To resolve this error, you need to rename the constant in the interface to comply with the naming conventions. Here are the steps to do this:
  
  
  Identify the Constant: Look at the error message to find out which constant is causing the issue (indicated by (&1)).
  
  
  Rename the Constant: Change the name of the constant to follow the naming conventions. For example:
  
  If the constant is named myConstant, rename it to MY_CONSTANT.
  Ensure that the name is descriptive and follows the uppercase and underscore format.
  
  
  
  Check for Other Violations: After renaming, check if there are any other constants or elements in the interface that might also violate naming conventions.
  
  
  Activate the Changes: Once you have made the necessary changes, activate the interface to ensure that the changes take effect.
  
  
  Related Information:
  
  Naming Conventions: SAP has specific guidelines for naming constants, variables, and other elements in ABAP. It is advisable to refer to the official SAP documentation or guidelines for best practices.
  ABAP Development Guidelines: Familiarize yourself with the ABAP development guidelines provided by SAP, which cover naming conventions, code formatting, and other best practices.
  Code Inspector: Use the ABAP Code Inspector (SCI) to analyze your code for compliance with naming conventions and other coding standards.
  
  By following these steps and adhering to the naming conventions, you should be able to resolve the SAP_GUIDELINES128 error effectively.