How To Fix /IWBEP/CM_CP202 - Select property '&1' not found in complex type '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 202

• Message text: Select property '&1' not found in complex type '&2'

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_CP202 - Select property '&1' not found in complex type '&2' ?

  The SAP error message /IWBEP/CM_CP202 Select property '&1' not found in complex type '&2' typically occurs in the context of SAP Gateway and OData services. This error indicates that a property specified in an OData query is not found in the defined complex type of the entity.
  Cause:
  
  Incorrect Property Name: The property name specified in the OData request does not match any of the properties defined in the complex type.
  Model Mismatch: The OData service might be using an outdated or incorrect data model that does not include the specified property.
  Service Metadata Issues: The metadata document for the OData service may not be updated or may not reflect the current structure of the underlying data model.
  Changes in Data Model: If there have been recent changes to the underlying data model (like adding or removing properties), the OData service may not have been regenerated or updated accordingly.
  
  Solution:
  
  Check Property Name: Verify that the property name specified in the OData request is correct and matches the property names defined in the complex type.
  Update OData Service: If there have been changes to the underlying data model, regenerate the OData service. This can be done using transaction code /IWFND/MAINT_SERVICE to maintain the service and ensure it reflects the latest model.
  Check Metadata: Access the service's metadata (usually available at the URL http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata) and confirm that the property exists in the complex type.
  Debugging: If you have access to the backend, you can debug the OData service implementation to see how the properties are being handled and ensure that the correct complex type is being used.
  Clear Cache: Sometimes, clearing the cache of the OData service can help resolve issues related to outdated metadata. You can do this using transaction code /IWFND/CACHE_CLEANUP.
  
  Related Information:
  
  OData Services: Understanding how OData services work in SAP Gateway is crucial. Familiarize yourself with the concepts of entity types, complex types, and properties.
  SAP Gateway: Knowledge of SAP Gateway and its configuration can help in troubleshooting issues related to OData services.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.