How To Fix /IWFND/CM_DESIGNTIME103 - Service mapping ID '&1' already exists; select a different one

/IWFND/CM_DESIGNTIME103 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_DESIGNTIME -

• Message number: 103

• Message text: Service mapping ID '&1' already exists; select a different one

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

/IWFND/CM_DESIGNTIME103 - Details

• The SAP error message /IWFND/CM_DESIGNTIME103 indicates that there is an attempt to create or register a service mapping ID that already exists in the system. This typically occurs in the context of SAP Gateway and OData services when you are trying to define a new service mapping but the ID you are using is already in use.
  
  Cause:
  
  Duplicate Service Mapping ID: The most common cause of this error is that the service mapping ID you are trying to create is already registered in the system. Each service mapping ID must be unique.
  Incorrect Configuration: There may be a misconfiguration in the service registration process, leading to attempts to register the same ID multiple times.
  Transport Issues: If you are transporting objects between systems, there may be conflicts if the same service mapping ID exists in both the source and target systems.
  
  
  Solution:
  
  
  Check Existing Service Mappings: 
  
  Go to the SAP Gateway Service Builder (transaction code