How To Fix T5516 - Number &1 already exists in 'All other numbers'

T5516 - Overview

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 516

• Message text: Number &1 already exists in 'All other numbers'

What causes this issue?

The extension &V1& already exists under <LS>All other numbers</>. An
extension can only be listed either
in one or more number/user groups
OR
under <LS>All other numbers</>

How to fix this error?

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

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 T5516 - Number &1 already exists in 'All other numbers' ?

  The SAP error message T5516, which states "Number &1 already exists in 'All other numbers'," typically occurs in the context of personnel administration or organizational management when there is an attempt to create or modify a record that conflicts with an existing entry.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  Duplicate Entry: The number you are trying to enter (indicated by &1) already exists in the system. This could be a personnel number, organizational unit, or any other identifier that is supposed to be unique.
  
  Configuration Issues: There may be issues with the configuration settings in the system that allow for duplicate entries in a context where they should not be allowed.
  Data Migration: If data has been migrated from another system, it is possible that duplicates were introduced during the migration process.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Existing Entries:
  
  Use transaction codes like PA20 (Display