How To Fix T5174 - Extension group cannot be deleted because it is being used!

T5174 - Overview

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 174

• Message text: Extension group cannot be deleted because it is being used!

What causes this issue?

One or more telephony servers use this extension group.

System Response

This extension group cannot be deleted.

How to fix this error?

If you want to delete this extension group, you must firstly remove all
assignments of telephony servers to this extension group from the
telephony server settings.
You can obtain an overview of the extension groups used in your system
by choosing View -> Extension groups in the SAPphone system
administration.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message T5174 - Extension group cannot be deleted because it is being used! ?

  The SAP error message T5174 indicates that you are trying to delete an extension group that is currently in use. This typically occurs in the context of SAP HR (Human Resources) or SAP SuccessFactors, where extension groups are used to define additional fields or attributes for employee data.
  
  Cause:
  The error arises when:
  
  The extension group you are attempting to delete is still linked to one or more infotypes or records in the system.
  There are existing data entries that reference the extension group, making it impossible to delete without first removing those references.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Usage: Determine where the extension group is being used. You can do this by checking the infotypes or any related configurations that might be referencing the extension group.
  
  
  Remove References: 
  
  Navigate to the infotypes or records that are using the extension group.
  Remove or update the records that reference the extension group. This may