How To Fix /IWFND/CM_MGW_RT151 - Separator '/' for namespace not paired or in wrong position

/IWFND/CM_MGW_RT151 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 151

• Message text: Separator '/' for namespace not paired or in wrong position

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_RT151 - Details

• The SAP error message /IWFND/CM_MGW_RT151 indicates that there is an issue with the namespace separator in your OData service configuration. This error typically arises when the namespace defined in your OData service does not conform to the expected format, particularly regarding the use of the '/' character.
  
  Cause:
  
  Incorrect Namespace Definition: The namespace defined in your OData service might have an incorrect format, such as having an extra '/' at the beginning or end, or not having it at all when it is required.
  Misconfiguration in Service Implementation: The service implementation might not be correctly set up to handle the namespace, leading to mismatches.
  Service Registration Issues: The service might not be properly registered in the SAP Gateway, causing the system to misinterpret the namespace.
  
  
  Solution:
  
  
  Check Namespace Configuration:
  
  Go to the service definition in the SAP Gateway Service Builder (transaction code SEGW).
  Ensure that the namespace is correctly defined. It should typically look like namespace/EntitySet (e.g., my.namespace/EntitySet).
  Make