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

SAP Error Message - Details

• 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 involve deleting data entries or changing the configuration to no longer use the extension group.
  
  
  
  Check Customizing Settings: If the extension group is part of a customizing setting, ensure that it is not being used in any active configurations.
  
  
  Delete the Extension Group: Once you have confirmed that there are no references to the extension group, you can attempt to delete it again.
  
  
  Transport Requests: If you are working in a development environment, ensure that any changes are properly transported to the production environment if necessary.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as PA30 (Maintain HR Master Data) or SM30 (Maintain Table Views) to check and modify the relevant data.
  Documentation: Refer to SAP Help documentation for more details on managing extension groups and infotypes.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and take the necessary actions to resolve it.