How To Fix RAP_DSP_REQUEST002 - Create without %cid and %key not supported.

SAP Error Message - Details

• Message type: E = Error

• Message class: RAP_DSP_REQUEST - Request Messages

• Message number: 002

• Message text: Create without %cid and %key not supported.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RAP_DSP_REQUEST002 - Create without %cid and %key not supported. ?

  The SAP error message RAP_DSP_REQUEST002 typically occurs in the context of the SAP RAP (Rapid Application Programming) model when trying to create an entity without providing the necessary identifiers (like %cid and %key). This error indicates that the system requires certain key fields to be specified for the creation of an entity, and these fields are missing in the request.
  Cause:
  
  Missing Identifiers: The error arises when a create operation is attempted without providing the required context identifiers (%cid) and key identifiers (%key).
  Incorrect Request Structure: The request sent to the RAP service may not be structured correctly, leading to the absence of necessary identifiers.
  Service Definition Issues: There may be issues in the service definition or the way the service is implemented, which does not align with the expected input structure.
  
  Solution:
  
  Check Request Payload: Ensure that the request payload includes the necessary identifiers. For a create operation, you should provide the required context and key fields as specified in the service definition.
  Review Service Implementation: Verify the implementation of the RAP service to ensure that it correctly handles create requests and that the necessary identifiers are being passed.
  Use Correct API: Make sure you are using the correct API endpoint for the create operation and that it is designed to accept the identifiers.
  Debugging: If you have access to the backend, use debugging tools to trace the request and see where the identifiers are being lost or not set.
  Consult Documentation: Refer to the official SAP documentation for RAP to understand the requirements for creating entities and the expected structure of requests.
  
  Related Information:
  
  RAP Model: The RAP model is designed to simplify the development of business applications in SAP S/4HANA. It uses a set of guidelines and best practices for building services.
  Service Definition: In RAP, service definitions specify the entities, their properties, and the operations that can be performed on them. Ensure that your service definition aligns with the expected input for create operations.
  SAP Community: If you continue to face issues, consider reaching out to the SAP Community or forums where other developers may have encountered similar issues.
  
  By ensuring that the necessary identifiers are included in your create request and that your service is correctly implemented, you should be able to resolve the RAP_DSP_REQUEST002 error.