How To Fix XT124 - Service &1 unknown in system &2

XT124 - Overview

• Message type: E = Error

• Message class: XT - Transport Management System

• Message number: 124

• Message text: Service &1 unknown in system &2

What causes this issue?

An error occurred in the TMS communication layer of the following SAP
system:
System: <LS>&V2&</>
Function: <LS>&V3&</>
Error: <LS>&V4&</>

System Response

The function terminates.

How to fix this error?

The release level of the specified system does not support this TMS
system or there is a programming error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XT124 - Service &1 unknown in system &2 ?

  The SAP error message XT124, which states "Service &1 unknown in system &2," typically indicates that the system is unable to find a specific service that is being requested. This can occur in various contexts, such as when trying to access a web service, a function module, or a specific transaction that relies on a service that is not registered or available in the system.
  Causes:
  
  Service Not Registered: The service you are trying to access may not be registered in the SAP system.
  Incorrect Service Name: The service name specified in the request may be misspelled or incorrect.
  System 
  Configuration Issues: There may be configuration issues in the SAP system that prevent the service from being recognized.
  Transport Issues: If the service was recently transported from another system, it may not have been properly activated or configured in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the service.
  
  Solutions:
  
  Check