How To Fix ENHANCEMENT121 - Naming convention for function exits not observed

SAP Error Message - Details

• Message type: E = Error

• Message class: ENHANCEMENT - SAP customer enhancement project messages

• Message number: 121

• Message text: Naming convention for function exits not observed

A function exit must adhere to the following naming conventions:
Prefix: EXIT_
Infix: Name of the module pool or program calling the exit
Suffix: Name of the function
<ZH>Example: </>
Call in program SAPxxyyy: CALL CUSTOMER-FUNCTION 'ijk'
Enhancement component: EXIT_SAPxxyyy_ijk

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ENHANCEMENT121 - Naming convention for function exits not observed ?

  The SAP error message "ENHANCEMENT121 Naming convention for function exits not observed" typically occurs when there is a violation of the naming conventions for function exits in SAP enhancements. This error is related to the way function exits are defined and named in the system, which is crucial for maintaining consistency and ensuring that the enhancements can be properly recognized and utilized by the SAP system.
  Cause:
  
  Naming Convention Violation: The function exit does not adhere to the required naming conventions set by SAP. For example, function exits should typically start with a specific prefix or follow a certain format.
  Incorrect Implementation: The function exit may have been implemented incorrectly, either by using an invalid name or by not following the guidelines for enhancement points or sections.
  System Configuration: There may be issues with the system configuration that prevent the proper recognition of the function exit.
  
  Solution:
  
  Check Naming Conventions: Review the naming conventions for function exits in the SAP documentation. Ensure that the function exit names conform to the required format.
  Rename Function Exits: If you find that the function exit does not comply with the naming conventions, you may need to rename it to adhere to the standards.
  Review Enhancement Implementation: Check the implementation of the enhancement to ensure that it is correctly set up. This includes verifying that the function exit is properly defined and that all parameters are correctly specified.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide guidance on common issues and their resolutions.
  Testing: After making the necessary changes, test the function exit to ensure that it works as expected and that the error message no longer appears.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on enhancements and function exits.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  ABAP Development Guidelines: Familiarize yourself with the ABAP development guidelines, which often include best practices for naming conventions and enhancement implementations.
  
  By following these steps, you should be able to resolve the "ENHANCEMENT121 Naming convention for function exits not observed" error and ensure that your function exits are correctly implemented in the SAP system.