How To Fix RSODP_ABAP_CDS214 - It is not possible to hide key field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODP_ABAP_CDS -

• Message number: 214

• Message text: It is not possible to hide key field &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSODP_ABAP_CDS214 - It is not possible to hide key field &1 ?

  The SAP error message RSODP_ABAP_CDS214 indicates that there is an attempt to hide a key field in a Core Data Services (CDS) view, which is not allowed. Key fields in CDS views are essential for uniquely identifying records, and SAP enforces that these fields must remain visible in the output.
  Cause:
  The error occurs when:
  
  You try to hide a key field in a CDS view definition.
  The key field is defined in the CDS view but is being set to hidden in the output.
  
  Solution:
  To resolve this error, you need to ensure that key fields are not set to be hidden in your CDS view. Here are the steps you can take:
  
  
  Review the CDS View Definition:
  
  Open the CDS view in the ABAP Development Tools (ADT) or the relevant transaction (e.g., SE11).
  Check the definition of the key fields in the @AbapCatalog.sqlViewName or @AbapCatalog.compiler.compare annotations.
  
  
  
  Modify the Output Fields:
  
  If you have specified the key field in the SELECT statement, ensure that it is not marked with an annotation that hides it (e.g., @AbapCatalog.hide).
  Remove any hiding annotations for the key fields.
  
  
  
  Test the Changes:
  
  After making the necessary changes, activate the CDS view and test it to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Key Fields: In SAP, key fields are crucial for data integrity and are used for identifying records uniquely. They cannot be hidden in CDS views.
  CDS Views: Core Data Services (CDS) is a framework for defining semantically rich data models in SAP. It allows for the creation of views that can be consumed by various applications.
  Annotations: Annotations in CDS views provide metadata about the fields and can control various aspects of the view's behavior, including visibility.
  
  If you continue to face issues, consider checking the SAP documentation or reaching out to your SAP support team for further assistance.