How To Fix SADL_GW_DT_CDS087 - &1: Element &2 must be annotated with &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 087

• Message text: &1: Element &2 must be annotated with &3

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 SADL_GW_DT_CDS087 - &1: Element &2 must be annotated with &3 ?

  The SAP error message SADL_GW_DT_CDS087 typically occurs in the context of Core Data Services (CDS) views and the SAP Gateway. This error indicates that a specific element in your CDS view is missing an annotation that is required for the proper functioning of the service.
  Cause:
  The error message SADL_GW_DT_CDS087 &1: Element &2 must be annotated with &3 can be broken down as follows:
  
  &1: This is the name of the CDS view or entity.
  &2: This is the name of the element (field) that is causing the issue.
  &3: This is the required annotation that is missing.
  
  The cause of this error is typically due to:
  
  Missing Annotations: The element in the CDS view does not have the necessary annotations that are required for the SAP Gateway to expose the data correctly.
  Incorrect Configuration: The CDS view may not be configured properly to meet the requirements of the OData service.
  
  Solution:
  To resolve this error, you need to ensure that the specified element in your CDS view is annotated correctly. Here are the steps to do that:
  
  
  Identify the Missing Annotation: Check the error message to identify which annotation is required for the specified element. Common annotations include @odata.type, @UI.lineItem, @UI.selectionField, etc.
  
  
  Add the Required Annotation:
  
  Open the CDS view in the ABAP Development Tools (ADT) or the relevant editor.
  Locate the element that is mentioned in the error message.
  Add the required annotation to the element. For example:
  define view Z_MY_CDS_VIEW
  as select from my_table
  {
    key field1,
    field2,
    @UI.lineItem: [{ position: 10 }]
    field3
  }
  
  
  
  
  Activate the CDS View: After making the changes, activate the CDS view to ensure that the changes take effect.
  
  
  Test the OData Service: After activation, test the OData service to confirm that the error has been resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation on Core Data Services and OData services for more details on annotations and their usage.
  SAP Community: You can also check the SAP Community forums for discussions related to similar errors and solutions provided by other developers.
  Debugging Tools: Use transaction codes like SE11 (Data Dictionary) and SE80 (Object Navigator) to analyze the CDS views and their annotations.
  
  By following these steps, you should be able to resolve the SADL_GW_DT_CDS087 error and ensure that your CDS view is properly annotated for use with the SAP Gateway.