How To Fix /UI5/MP_CA_APP006 - The annotation &1 in OData &2 is not type 'ODataAnnotation'

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CA_APP -

• Message number: 006

• Message text: The annotation &1 in OData &2 is not type 'ODataAnnotation'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/MP_CA_APP006 - The annotation &1 in OData &2 is not type 'ODataAnnotation' ?

  The SAP error message /UI5/MP_CA_APP006 indicates that there is an issue with an annotation in an OData service. Specifically, the error states that the annotation specified (denoted as &1) in the OData service (denoted as &2) is not of the expected type ODataAnnotation. This typically occurs in the context of SAP Fiori applications that rely on OData services for data binding and UI rendering.
  Cause
  The error can be caused by several factors:
  
  Incorrect Annotation Type: The annotation defined in the OData service is not of the type ODataAnnotation. This could happen if the annotation is incorrectly defined in the metadata or if it is not supported.
  Metadata Issues: The OData service metadata might be missing or incorrectly configured, leading to the application not being able to interpret the annotations correctly.
  Version Mismatch: There may be a mismatch between the version of the OData service and the version expected by the UI5 application.
  Service Configuration: The OData service might not be properly configured to expose the required annotations.
  
  Solution
  To resolve this error, you can take the following steps:
  
  
  Check the OData Service Metadata:
  
  Use a tool like Postman or a web browser to access the OData service metadata (usually at the endpoint .../$metadata).
  Verify that the annotation in question is defined correctly and is of the expected type.
  
  
  
  Review Annotation Definitions:
  
  Ensure that the annotations are defined according to the OData specification. Check for typos or incorrect syntax in the annotation definitions.
  
  
  
  Update the OData Service:
  
  If you have access to the backend, update the OData service to ensure that the annotations are correctly defined and exposed.
  If the service is generated from an ABAP backend, check the relevant CDS views or annotations in the ABAP code.
  
  
  
  Check for Version Compatibility:
  
  Ensure that the version of the OData service is compatible with the version of the UI5 application you are using. If necessary, update the UI5 application or the OData service.
  
  
  
  Clear Cache:
  
  Sometimes, caching issues can lead to outdated metadata being used. Clear the cache of your browser or the SAP Fiori Launchpad to ensure that the latest metadata is being fetched.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific OData service and UI5 version you are using to ensure that you are following the correct guidelines for annotations.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues with the specific OData service or UI5 version.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Debugging Tools: Use browser developer tools to inspect network requests and responses to see the exact metadata being returned and identify any discrepancies.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.