How To Fix RS_MAPI_JSON128 - Required property "&2" missing at &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_MAPI_JSON - Generic JSON schema messages

• Message number: 128

• Message text: Required property "&2" missing at &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_MAPI_JSON128 - Required property "&2" missing at &1 ?

  The SAP error message RS_MAPI_JSON128 Required property "&2" missing at &1 typically occurs in the context of SAP applications that utilize the MAPI (Message Application Programming Interface) for JSON data processing. This error indicates that a required property (denoted by &2) is missing from a JSON object at a specific location (denoted by &1).
  Cause:
  
  
  Missing JSON Property: The error is primarily caused by a missing required property in the JSON data being processed. This could be due to:
  
  Incorrectly formatted JSON.
  A failure in the data extraction process that results in incomplete data.
  Changes in the data structure that have not been reflected in the code.
  
  
  
  Data Mapping Issues: If the JSON data is being mapped to a structure in SAP, any discrepancies between the expected structure and the actual data can lead to this error.
  
  
  Configuration Issues: Sometimes, the configuration settings in the SAP system may not align with the expected data format, leading to missing properties.
  
  
  Solution:
  
  
  Check JSON Structure: Review the JSON data being processed to ensure that all required properties are present. Validate the JSON format using a JSON validator tool.
  
  
  Update Data Extraction Logic: If the JSON is generated from a data source, ensure that the extraction logic is correctly implemented to include all required fields.
  
  
  Review Mappings: If you are using mappings to convert data from one format to another, ensure that all required fields are correctly mapped and that there are no discrepancies.
  
  
  Debugging: Use debugging tools in SAP to trace the execution and identify where the JSON is being generated or processed. This can help pinpoint the exact location of the missing property.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific application or module you are working with to understand the required properties and their expected formats.
  
  
  Error Handling: Implement error handling in your code to gracefully manage situations where required properties are missing, providing meaningful error messages or fallback mechanisms.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  Version Compatibility: Ensure that your SAP system is up to date, as certain errors may be resolved in newer versions or patches.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.