How To Fix RS_MAPI_JSON135 - Property &1 is not an object: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_MAPI_JSON - Generic JSON schema messages

• Message number: 135

• Message text: Property &1 is not an object: &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_MAPI_JSON135 - Property &1 is not an object: &2 ?

  The SAP error message RS_MAPI_JSON135 Property &1 is not an object: &2 typically occurs in the context of SAP applications that utilize JSON data structures, particularly when working with the SAP Gateway or OData services. This error indicates that the system is trying to access a property that is expected to be an object, but it is not recognized as such.
  Cause:
  
  Incorrect Data Structure: The JSON data being processed does not conform to the expected structure. For example, a property that is expected to be an object is actually a primitive type (like a string or number).
  Mapping Issues: There may be a mismatch between the data model defined in the OData service and the actual data being returned or sent.
  Service Implementation Errors: If the OData service is incorrectly implemented, it may return data in an unexpected format.
  Data Integrity Issues: The data being processed may have integrity issues, such as missing fields or incorrect types.
  
  Solution:
  
  Check JSON Structure: Review the JSON data being sent or received. Ensure that the property indicated in the error message is indeed an object and not a primitive type.
  Validate OData Service: Use tools like the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the OData service and inspect the response. Ensure that the service is returning the expected structure.
  Debugging: If you have access to the backend code, debug the OData service implementation to ensure that the data being returned matches the expected format.
  Update Data Model: If the data model has changed, ensure that the OData service is updated accordingly to reflect these changes.
  Error Handling: Implement error handling in your application to gracefully manage unexpected data formats.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for OData services and JSON handling for more detailed information on data structures and error handling.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /IWFND/MAINT_SERVICE for managing OData services and /IWFND/GW_CLIENT for testing them.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.