How To Fix /IWBEP/CM_CP026 - Proxy model id '&1' contains invalid chars

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 026

• Message text: Proxy model id '&1' contains invalid chars

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_CP026 - Proxy model id '&1' contains invalid chars ?

  The SAP error message /IWBEP/CM_CP026 Proxy model id '&1' contains invalid chars typically occurs in the context of SAP Gateway and OData services. This error indicates that the proxy model ID you are trying to use contains invalid characters that are not allowed.
  Cause:
  
  Invalid Characters: The proxy model ID may contain characters that are not permitted. Valid characters usually include alphanumeric characters and underscores, while special characters, spaces, or punctuation marks are often not allowed.
  Incorrect Naming Convention: The naming convention for the proxy model ID may not be followed, leading to the inclusion of invalid characters.
  Configuration Issues: There may be issues in the configuration of the OData service or the underlying data model.
  
  Solution:
  
  Check the Proxy Model ID: Review the proxy model ID that is causing the error. Ensure that it only contains valid characters (typically letters, numbers, and underscores).
  Rename the Proxy Model: If the proxy model ID contains invalid characters, rename it to conform to the naming conventions. You can do this in the relevant transaction (e.g., SE80 for Object Navigator).
  Regenerate the Service: After correcting the proxy model ID, regenerate the OData service to ensure that the changes take effect. You can do this using transaction /IWFND/MAINT_SERVICE.
  Check for Dependencies: Ensure that there are no dependencies or references to the old proxy model ID that might still be causing issues.
  Review Documentation: Consult the SAP documentation for any specific naming conventions or restrictions related to proxy model IDs.
  
  Related Information:
  
  SAP Gateway: This error is often encountered when working with SAP Gateway and OData services. Understanding the architecture and configuration of SAP Gateway can help in troubleshooting.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /IWFND/MAINT_SERVICE for managing OData services and SE80 for object management.
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address the issue.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a technical expert familiar with SAP Gateway and OData services.