How To Fix EU173 - More than one master program; select by naming convention

SAP Error Message - Details

• Message type: E = Error

• Message class: EU - Development Environment

• Message number: 173

• Message text: More than one master program; select by naming convention

What causes this issue?

More than one main program was found for the current include during
navigation.
The system has chosen the most appropriate main program based on the
naming conventions.
In exceptional cases, this may be the wrong navigation target.

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?

To choose another program as the main program, set the main program
before navigation by choosing Utilities --> Main programs.

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 EU173 - More than one master program; select by naming convention ?

  The SAP error message EU173 ("More than one master program; select by naming convention") typically occurs when there are multiple master programs (or main programs) that match the criteria specified in your selection. This can happen in various contexts, such as when executing a report or transaction that requires a specific program to run.
  Cause:
  
  Multiple Programs: The system has identified more than one program that fits the criteria you provided, and it cannot determine which one to execute.
  Naming Convention: The naming convention used for the programs is not specific enough to differentiate between them.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Specify the Program: If you know the exact name of the program you want to execute, you can specify it directly in the selection screen or input field.
  
  
  Use Naming Convention: If you are using a selection screen that allows for a naming convention, ensure that you provide a more specific name or pattern that uniquely identifies the program you want to run.
  
  
  Check for Duplicate Programs: If you have access to the ABAP Workbench (SE80 or SE38), you can check for the existence of multiple programs that match your criteria. You may need to consult with your development team to understand why there are multiple programs and if any can be consolidated or renamed.
  
  
  Consult Documentation: If the error occurs in a specific transaction or report, refer to the documentation or help files associated with that transaction/report for guidance on how to specify the program correctly.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP documentation for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator) and SE38 (ABAP Editor) to investigate the programs in question.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  System Configuration: Sometimes, system configuration or custom developments can lead to such issues. Ensure that your system is configured correctly and that there are no conflicting custom developments.
  
  By following these steps, you should be able to resolve the EU173 error and successfully execute the desired program.