How To Fix /IWBEP/CM_CP126 - Getting inheritance of entity type '&1' failed

/IWBEP/CM_CP126 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 126

• Message text: Getting inheritance of entity type '&1' failed

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.

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/IWBEP/CM_CP126 - Details

• The SAP error message /IWBEP/CM_CP126 Getting inheritance of entity type '&1' failed typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the inheritance structure of the entity type specified in the error message. Here are some potential causes, solutions, and related information:
  Causes:
  
  Incorrect Entity Type Definition: The entity type may not be defined correctly in the data model, leading to issues when trying to retrieve its inheritance structure.
  Missing or Incorrect Annotations: Annotations that define the inheritance relationships may be missing or incorrectly specified.
  Data Model Changes: If there have been recent changes to the data model (e.g., adding or modifying entity types), it may lead to inconsistencies.
  Service Registration Issues: The OData service may not be properly registered or activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to access the entity type or its parent entities.
  
  Solutions:
  
  Check