How To Fix CL_SADL_GW_MDE_MSG035 - Annotation is empty.

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_SADL_GW_MDE_MSG -

• Message number: 035

• Message text: Annotation is empty.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL_SADL_GW_MDE_MSG035 - Annotation is empty. ?

  The SAP error message CL_SADL_GW_MDE_MSG035: Annotation is empty typically occurs in the context of SAP Gateway and the SAP ABAP programming model for SAP Fiori applications. This error indicates that there is an issue with the annotations defined for a particular entity or service, specifically that an expected annotation is missing or not properly defined.
  Cause:
  
  Missing Annotations: The error usually arises when the OData service is expecting certain annotations (like @UI, @Search, etc.) to be present in the metadata but finds them missing.
  Incorrect Configuration: The service might not be correctly configured to expose the necessary annotations.
  Model Issues: There could be issues in the underlying data model or the way it is defined in the ABAP Dictionary or the CDS (Core Data Services) views.
  Versioning Issues: If there are changes in the underlying data model or annotations that are not reflected in the service metadata, this can lead to inconsistencies.
  
  Solution:
  
  Check Annotations: Review the annotations defined in your CDS views or the relevant ABAP classes. Ensure that all required annotations are correctly defined.
  Update Metadata: If you have made changes to the annotations or the underlying data model, regenerate the metadata for the OData service. This can be done using transaction /IWFND/MAINT_SERVICE to maintain the service and refresh the metadata.
  Service Activation: Ensure that the OData service is activated and properly registered in the SAP Gateway. You can check this in the same transaction mentioned above.
  Debugging: If the issue persists, consider debugging the OData service to trace where the annotation is expected but not found. This can help identify the specific part of the code or configuration that is causing the issue.
  Consult Documentation: Refer to the SAP documentation for the specific annotations you are using to ensure they are correctly implemented.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  SAP Community: Engage with the SAP Community forums where other developers may have encountered and resolved similar issues.
  OData Service Documentation: Review the documentation for OData services and annotations to ensure compliance with best practices.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message CL_SADL_GW_MDE_MSG035.