How To Fix CTE_FND106 - Logical system name is used by another system. Please use a unique one.

CTE_FND106 - Overview

• Message type: E = Error

• Message class: CTE_FND - General message class for Add-On CTE_FND

• Message number: 106

• Message text: Logical system name is used by another system. Please use a unique one.

What causes this issue?

There are currently two identical logical system names being used by
different systems, one for the original system and one for the copy. As
this is not supported, a unique logical system name must be created for
the copy.

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?

For more information, see SAP Note 544509 - ALE: Conversion of names of
logical systems.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CTE_FND106 - Details

• The SAP error message CTE_FND106 indicates that the logical system name you are trying to use is already in use by another system in the SAP landscape. Logical system names are unique identifiers for different systems (like development, testing, and production) within an SAP environment, and they must not be duplicated.
  
  Cause:
  
  Duplicate Logical System Name: The logical system name you are trying to create or modify is already assigned to another system in the SAP landscape.
  Configuration Error: There may be a misconfiguration in the system settings where the logical system names are not properly managed.
  Transport Directory Issues: If you are working with transports, the logical system name might be referenced incorrectly in the transport directory.
  
  
  Solution:
  
  
  Check Existing Logical Systems:
  
  Go to transaction SE03 (Transport Organizer Tools) or SE06 (System Change Option) to view the existing logical systems.
  You can also check in transaction BD54 (Maintain Logical System) to see the list of logical systems