How To Fix /IWBEP/CM_CP027 - Invalid namespace used in proxy model id '&1'

/IWBEP/CM_CP027 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 027

• Message text: Invalid namespace used in proxy model id '&1'

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.

/IWBEP/CM_CP027 - Details

• The SAP error message /IWBEP/CM_CP027 Invalid namespace used in proxy model id '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the namespace defined in the proxy model ID that you are trying to use. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Invalid Namespace: The namespace specified in the proxy model ID does not match any of the defined namespaces in the system. This could be due to a typo or an incorrect configuration.
  Missing or Incorrect Configuration: The OData service or the model might not be properly configured, leading to the system not recognizing the namespace.
  Transport Issues: If the model was transported from another system, the namespace might not have been included or correctly set up in the target system.
  
  
  Solution:
  
  
  Check Namespace Configuration:
  
  Go to the transaction code SE80 (Object Navigator) and check the namespace defined for