How To Fix /IWFND/CM_MGW_RT156 - Only use '/' as a namespace delimiter

/IWFND/CM_MGW_RT156 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 156

• Message text: Only use '/' as a namespace delimiter

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_MGW_RT156 - Details

• The SAP error message /IWFND/CM_MGW_RT156 indicates that there is an issue with the namespace delimiter used in your OData service definitions. Specifically, it states that only the '/' character should be used as a namespace delimiter. This error typically arises when you are trying to define or use a namespace in your OData service that includes characters other than the allowed '/'.
  
  Cause:
  
  Incorrect Namespace Definition: The namespace defined in your OData service might be using characters other than '/' as delimiters. For example, using '.' or any other character will trigger this error.
  Service Registration Issues: If the service is registered with an incorrect namespace, it can lead to this error when trying to access or use the service.
  Model Configuration: The model configuration in your service might have incorrect namespace settings.
  
  
  Solution:
  
  
  Check Namespace Definitions:
  
  Go to the OData service definition in the SAP Gateway Service Builder (transaction code SEGW).
  Ensure that the namespace is defined