How To Fix RAP_DESIGNTIME010 - Unknown action return kind

RAP_DESIGNTIME010 - Overview

• Message type: E = Error

• Message class: RAP_DESIGNTIME - RAP Designtime Messages

• Message number: 010

• Message text: Unknown action return kind

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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RAP_DESIGNTIME010 - Details

• The SAP error message RAP_DESIGNTIME010: Unknown action return kind typically occurs in the context of the SAP RAP (Rapid Application Programming) model, particularly when defining actions in your business object definitions. This error indicates that there is an issue with the return type specified for an action in your RAP service definition.
  
  Cause:
  The error is usually caused by one of the following issues:
  
  Invalid Return Type: The return type specified for an action is not recognized or is incorrectly defined. This could happen if the return type is not one of the expected types (e.g., entity, boolean, void, etc.).
  Syntax Errors: There may be syntax errors in the definition of the action or its return type.
  Inconsistent Definitions: The action might be defined in a way that does not align with the expected structure of the RAP model.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Action Definition: Review the action definition in