How To Fix /UI5/MP_CA_APP010 - The annotation &1 in OData &2 does not exist in base descriptor

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CA_APP -

• Message number: 010

• Message text: The annotation &1 in OData &2 does not exist in base descriptor

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/MP_CA_APP010 - The annotation &1 in OData &2 does not exist in base descriptor ?

  The SAP error message /UI5/MP_CA_APP010 indicates that there is an issue with an annotation in an OData service. Specifically, it means that the annotation specified in the error message does not exist in the base descriptor of the OData service. This can occur in SAP Fiori applications that rely on OData services for data binding and UI rendering.
  Cause
  The error can be caused by several factors:
  
  Missing Annotations: The annotation referenced in the error message is not defined in the OData service's metadata. This could be due to a misconfiguration or an oversight during the development of the OData service.
  Version Mismatch: The OData service might have been updated or changed, and the application is still referencing an older version of the service that does not include the required annotations.
  Incorrect Service URL: The application might be pointing to the wrong OData service or endpoint that does not contain the expected annotations.
  Transport Issues: If the OData service was recently transported from one system to another (e.g., from development to production), the transport might not have included all necessary components.
  
  Solution
  To resolve this error, you can take the following steps:
  
  
  Check OData Service Metadata:
  
  Access the OData service metadata (usually available at the URL http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata) and verify if the annotation mentioned in the error message exists.
  
  
  
  Update the OData Service:
  
  If the annotation is missing, you may need to update the OData service to include the required annotations. This may involve modifying the service implementation or the associated CDS (Core Data Services) views.
  
  
  
  Check Application Configuration:
  
  Ensure that the application is correctly configured to use the right OData service. Check the service URL and any related configurations in the application descriptor (e.g., manifest.json).
  
  
  
  Clear Cache:
  
  Sometimes, caching issues can lead to discrepancies. Clear the browser cache and any server-side caches to ensure that the latest version of the OData service is being used.
  
  
  
  Transport and Version Control:
  
  If the OData service was recently transported, ensure that all necessary components were included in the transport request. Check for any version mismatches between the service and the application.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for the specific OData service and the annotations being used. Ensure that you are following the correct guidelines for implementing and using annotations.
  
  
  
  Related Information
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to the specific OData service or annotations you are using.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Debugging Tools: Use debugging tools available in SAP Web IDE or Business Application Studio to trace the issue and understand where the application is failing to find the annotation.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.