How To Fix DS026 - Associated function module (INCLUDE &) does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: DS - Messages for Editing Text Elements in ABAP Programs

• Message number: 026

• Message text: Associated function module (INCLUDE &) does not exist

What causes this issue?

You attempted to create a program name beginning with <LB>ZX</>, but
this name range is reserved for INCLUDEs of exit function groups
(function groups containing only function exits).
Example:
Suppose you want to create a program called ZXaaaUnn. Programs in this
name range must be assigned to a function exit (INCLUDE LXaaaUnn), but
this function exit does not exist.

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?

Choose a different program name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DS026 - Associated function module (INCLUDE &) does not exist ?

  The SAP error message DS026, which states "Associated function module (INCLUDE &) does not exist," typically occurs when there is a missing or incorrectly referenced function module in the ABAP program or report. This error can arise in various scenarios, such as during the execution of a report, when calling a function module, or when trying to access a specific include file.
  Causes:
  
  Missing Function Module: The function module that is being called does not exist in the SAP system. This could be due to a transport issue or if the function module was deleted or not created.
  Incorrect Naming: There might be a typo or incorrect naming in the function module call.
  Transport Issues: If the function module was recently transported from another system, it may not have been transported correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Development Environment Issues: If you are working in a development environment, the function module may not have been activated or may be in a different state.
  
  Solutions:
  
  Check Function Module Existence: Use transaction SE37 (Function Builder) to check if the function module exists. If it does not, you may need to create it or transport it from another system.
  Correct Naming: Verify the spelling and naming of the function module in the code. Ensure that it matches the actual name in the system.
  Transport Request: If the function module is missing due to a transport issue, check the transport logs and ensure that the transport request containing the function module has been imported successfully.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 after the error occurs.
  Activate Function Module: If the function module exists but is not activated, activate it in transaction SE37.
  Debugging: If you have access to the code, you can debug the program to see where the error is occurring and gather more context about the issue.
  
  Related Information:
  
  Transaction Codes:
  
  SE37: Function Module Builder
  SE80: Object Navigator (to check for includes and related objects)
  SE11: Data Dictionary (to check for related database objects)
  
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or error message.
  Documentation: Review the documentation for the specific function module to understand its purpose and usage.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.