How To Fix CDS_UNIT_MESSAGE024 - Access control double doesn't exist since no CDS entities are chosen

SAP Error Message - Details

• Message type: E = Error

• Message class: CDS_UNIT_MESSAGE - Message Class

• Message number: 024

• Message text: Access control double doesn't exist since no CDS entities are chosen

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CDS_UNIT_MESSAGE024 - Access control double doesn't exist since no CDS entities are chosen ?

  The SAP error message CDS_UNIT_MESSAGE024 typically indicates that there is an issue with the access control settings for a Core Data Services (CDS) view. This error occurs when the system cannot find the necessary CDS entities to apply the access control settings, which can happen for several reasons.
  Cause:
  
  Missing CDS Entities: The error suggests that the CDS entities required for the access control are not defined or are not selected in the context where the access control is being applied.
  Incorrect Configuration: There may be a misconfiguration in the access control settings, such as incorrect references to the CDS entities.
  Transport Issues: If the CDS views or their access control settings were transported from one system to another, there might be inconsistencies or missing objects in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the CDS entities, leading to the inability to apply access controls.
  
  Solution:
  
  Check CDS Entities: Ensure that the CDS entities you are trying to apply access control to are correctly defined and exist in the system. You can do this by checking the relevant CDS views in the ABAP Development Tools (ADT) or the SAP GUI.
  Review Access Control Configuration: Verify the access control settings in the relevant CDS view. Make sure that the entities are correctly referenced and that the access control annotations are properly defined.
  Transport Consistency: If the issue arose after a transport, check that all necessary objects were transported correctly. You may need to re-transport missing objects or manually create them in the target system.
  Authorization Check: Ensure that the user has the necessary authorizations to access the CDS entities. This may involve checking roles and authorizations assigned to the user.
  Debugging: If the issue persists, consider debugging the CDS view execution to identify where the access control is failing.
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) is a framework for defining semantically rich data models in SAP. Understanding how CDS views work and how to define them is crucial for troubleshooting related issues.
  Access Control: Access control in CDS views is typically managed through annotations like @AccessControl.authorizationCheck. Familiarity with these annotations and their usage is important.
  SAP Notes: Check SAP Notes and Knowledge Base Articles (KBAs) for any known issues or patches related to this error message. SAP frequently updates its documentation and provides solutions for common problems.
  
  If you continue to experience issues after following these steps, consider reaching out to SAP support for further assistance.