How To Fix SADL_GW_DT_CDS082 - Editable field &1 must not be read-only

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 082

• Message text: Editable field &1 must not be read-only

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW_DT_CDS082 - Editable field &1 must not be read-only ?

  The SAP error message SADL_GW_DT_CDS082 indicates that an editable field in a Core Data Services (CDS) view is being treated as read-only, which is causing an issue when trying to perform an operation that requires the field to be editable. This error typically arises in the context of SAP Gateway and OData services when the data model does not align with the expected behavior of the fields.
  Cause:
  
  Field Definition: The field in question is defined as read-only in the CDS view or the underlying data model. This can happen if the field is derived or calculated rather than stored directly in the database.
  OData Service Configuration: The OData service may not be configured correctly to allow updates to the field, or the field may not be included in the entity set that allows for updates.
  Business Logic: There may be business logic or validation rules that enforce the field to be read-only based on certain conditions.
  
  Solution:
  
  
  Check CDS View Definition: Review the CDS view definition to ensure that the field is marked as editable. You can do this by checking the annotations in the CDS view. Look for the @OData.publish: true annotation and ensure that the field is not marked with @UI.lineItem: [{ position: 10, editable: false }].
  
  
  Adjust OData Service: If the field is intended to be editable, ensure that the OData service is correctly configured to allow updates. This may involve:
  
  Regenerating the OData service after making changes to the CDS view.
  Checking the service metadata to confirm that the field is marked as Edm.String or the appropriate type and is not marked as read-only.
  
  
  
  Review Business Logic: If there are any business rules or validations that enforce the field to be read-only, review and adjust them as necessary to allow for updates.
  
  
  Testing: After making the necessary changes, test the OData service again to ensure that the error is resolved and that the field can be edited as expected.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling editable fields in CDS views.
  Documentation: Refer to the official SAP documentation on CDS views and OData services for best practices and guidelines on defining editable fields.
  Community Forums: Engage with the SAP Community or forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.