How To Fix /IWBEP/CM_V4_ST021 - EDM access to structured type '&1' failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_ST -

• Message number: 021

• Message text: EDM access to structured 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_ST021 - EDM access to structured type '&1' failed ?

  The SAP error message /IWBEP/CM_V4_ST021 EDM access to structured type '&1' failed typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with accessing a structured type in the Entity Data Model (EDM) of your OData service.
  Causes:
  
  Incorrect Structure Definition: The structured type referenced in the error message may not be defined correctly in the OData service.
  Missing Metadata: The metadata for the structured type may not be properly generated or may be missing.
  Data Model Changes: If there have been recent changes to the data model (like adding or modifying fields), the OData service may not be updated accordingly.
  Authorization Issues: There may be authorization issues preventing access to the structured type.
  Service Activation: The OData service may not be activated or may not be properly registered in the SAP Gateway.
  
  Solutions:
  
  Check Structure Definition: Verify that the structured type is correctly defined in the data model. Ensure that all fields are correctly specified and that there are no typos.
  Regenerate Metadata: If the structure has been modified, regenerate the metadata for the OData service. You can do this by going to the transaction code /IWFND/MAINT_SERVICE and selecting the service to regenerate its metadata.
  Activate the Service: Ensure that the OData service is activated. You can check this in the same transaction code mentioned above.
  Check Authorizations: Verify that the user has the necessary authorizations to access the structured type. This may involve checking roles and authorizations in the SAP system.
  Debugging: If the issue persists, consider debugging the OData service to identify where the access is failing. You can use transaction code /IWFND/DEBUG to set breakpoints and analyze the flow.
  Check for Notes and Patches: Sometimes, specific issues may be addressed in SAP Notes or patches. Check the SAP Support Portal for any relevant notes that may address this error.
  
  Related Information:
  
  Transaction Codes: 
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  /IWFND/DEBUG: To debug OData services.
  
  
  SAP Gateway: Understanding the SAP Gateway architecture and how it interacts with OData services can provide insights into resolving issues.
  SAP Community: Engaging with the SAP Community forums can also be helpful, as other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.