How To Fix /IWBEP/CM_SBMG004 - Error in retrieving the Entity Type '&1' of the model

/IWBEP/CM_SBMG004 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_SBMG -

• Message number: 004

• Message text: Error in retrieving the Entity Type '&1' of the model

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_SBMG004 - Details

• The SAP error message /IWBEP/CM_SBMG004 indicates that there is an issue with retrieving a specific entity type from the OData model. This error typically occurs in the context of SAP Gateway and OData services when the system is unable to find or access the specified entity type.
  Causes:
  
  Entity Type Not Defined: The entity type specified in the error message may not be defined in the OData model.
  Model Activation Issues: The OData service might not be properly activated or there could be issues with the service registration.
  Authorization Issues: The user may not have the necessary authorizations to access the entity type.
  Service Metadata Issues: There could be problems with the service metadata, such as missing or incorrect definitions.
  Incorrect URL: The URL used to access the OData service might be incorrect, leading to the inability to retrieve the entity type.
  
  Solutions:
  
  
  Check Entity Type Definition:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW) and verify