How To Fix SAP_GUIDELINES123 - Declaration of instance attribute: (&1) violates naming convention

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 123

• Message text: Declaration of instance attribute: (&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_GUIDELINES123 - Declaration of instance attribute: (&1) violates naming convention ?

  The SAP error message "SAP_GUIDELINES123 Declaration of instance attribute: (&1) violates naming convention" typically occurs in ABAP (Advanced Business Application Programming) when you are defining an instance attribute in a class or interface, and the name of the attribute does not adhere to the naming conventions set by SAP.
  Cause:
  The error is triggered when the name of the instance attribute does not comply with the following common naming conventions:
  
  Naming Format: Instance attributes should generally start with a lowercase letter and can include letters, numbers, and underscores. They should not start with an underscore or a number.
  Length: The name should not exceed the maximum length allowed for identifiers in ABAP (30 characters).
  Reserved Words: The name should not be a reserved keyword in ABAP.
  Special Characters: The name should not contain special characters or spaces.
  
  Solution:
  To resolve this error, you should:
  
  Rename the Attribute: Change the name of the instance attribute to comply with the naming conventions. Ensure it starts with a lowercase letter and follows the allowed character set.
  Check for Reserved Words: Make sure that the name you are using is not a reserved word in ABAP.
  Review Naming Guidelines: Familiarize yourself with SAP's naming conventions for ABAP objects to avoid similar issues in the future.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for ABAP programming guidelines, which provides detailed information on naming conventions and best practices.
  ABAP Development Tools: Use the ABAP Development Tools in Eclipse or the ABAP Workbench (SE80) to check for naming convention violations, as they often provide real-time feedback on naming issues.
  Code Review: Conduct a code review or use static code analysis tools to identify and rectify naming convention violations in your ABAP code.
  
  By following these steps, you should be able to resolve the error and ensure that your ABAP code adheres to SAP's naming conventions.