How To Fix T5515 - Number &1 already exists in a number/user group

T5515 - Overview

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 515

• Message text: Number &1 already exists in a number/user group

What causes this issue?

The extension &V1& already exists in one or more number/user groups.

System Response

Error message since an extension can only be listed
either in one or more 'number/user' groups
or in '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.

T5515 - Details

• The SAP error message T5515 "Number &1 already exists in a number/user group" typically occurs when there is an attempt to create or assign a number (such as a personnel number, user ID, or similar identifier) that already exists in the system within the specified number or user group. This can happen in various contexts, such as when creating new personnel records, user accounts, or other entities that require unique identifiers.
  
  Cause:
  
  Duplicate Entry: The most common cause is that the number you are trying to use is already assigned to another record in the system.
  Incorrect Configuration: There may be issues with the configuration of number ranges or user groups that allow for duplicate entries.
  Data Migration Issues: If data has been migrated from another system, there may be conflicts with existing identifiers.
  User Error: The user may have mistakenly entered a number that is already in use.
  
  
  Solution:
  
  Check Existing Records: Verify if the number