How To Fix 28138 - Char. variable &2 (facet &1) does not appear in the execution section

SAP Error Message - Details

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 138

• Message text: Char. variable &2 (facet &1) does not appear in the execution section

What causes this issue?

Variables in the UNDO section of a rule must be used in the execution
section, too (THEN DO).
This is not the case with this characteristic facet reference.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 28138 - Char. variable &2 (facet &1) does not appear in the execution section ?

  The SAP error message 28138 indicates that a character variable (specifically, a variable defined in a facet) is not being used in the execution section of a program or a report. This typically occurs in the context of ABAP programming, particularly when working with the ABAP Workbench or when developing reports and forms.
  Cause:
  The error is caused by the following scenarios:
  
  Unused Variable: The character variable defined in the facet is not referenced or used in the execution section of the program. This can happen if the variable is declared but not utilized in any operations, calculations, or output.
  Scope Issues: The variable might be declared in a scope that is not accessible in the execution section.
  Typographical Errors: There may be a typo in the variable name when trying to use it, leading to the system not recognizing it.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Variable Usage: Ensure that the character variable is actually being used in the execution section of your code. If it is not needed, consider removing it from the facet.
  
  
  Correct Scope: Make sure that the variable is declared in a scope that is accessible in the execution section. If it is declared in a subroutine or method, ensure that it is passed correctly to the execution section.
  
  
  Review Code for Typos: Double-check the spelling of the variable name in both the declaration and the execution section to ensure consistency.
  
  
  Add Logic: If the variable is intended to be used but is currently not referenced, add the necessary logic to utilize it in your program.
  
  
  Refactor Code: If the variable is not needed, consider refactoring your code to remove unnecessary declarations.
  
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for guidelines on variable declaration and usage.
  Debugging Tools: Use debugging tools in the ABAP Workbench to step through your code and identify where the variable should be used.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error message 28138 and ensure that your ABAP program runs smoothly.