How To Fix VEVSM_MSG018 - Parsed JSON could not be validated against its schema

SAP Error Message - Details

• Message type: E = Error

• Message class: VEVSM_MSG - Message class for VE VSM in SAP GUI

• Message number: 018

• Message text: Parsed JSON could not be validated against its schema

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VEVSM_MSG018 - Parsed JSON could not be validated against its schema ?

  The SAP error message VEVSM_MSG018 indicates that a parsed JSON object could not be validated against its expected schema. This typically occurs in scenarios where JSON data is being processed, such as in SAP Integration Suite, SAP Cloud Platform, or other SAP applications that utilize JSON for data interchange.
  Cause
  The error can arise from several issues, including:
  
  
  Schema Mismatch: The JSON structure does not conform to the expected schema. This could be due to missing required fields, incorrect data types, or additional fields that are not defined in the schema.
  
  
  Malformed JSON: The JSON data itself may be incorrectly formatted, which can prevent it from being parsed correctly.
  
  
  Versioning Issues: If the schema has been updated but the JSON data is still using an older version, this can lead to validation errors.
  
  
  Data Type Issues: If the JSON contains values that do not match the expected data types (e.g., a string where a number is expected), validation will fail.
  
  
  Solution
  To resolve the VEVSM_MSG018 error, you can take the following steps:
  
  
  Validate JSON Structure: Use a JSON validator tool to check the structure of your JSON data. Ensure that it is well-formed and adheres to the expected schema.
  
  
  Check Schema Definition: Review the schema definition against which the JSON is being validated. Ensure that all required fields are present and that the data types match.
  
  
  Update JSON Data: If the schema has changed, update your JSON data to align with the new schema requirements.
  
  
  Error Logging: Check the logs for more detailed error messages that can provide insights into which part of the JSON is causing the validation to fail.
  
  
  Testing: After making corrections, test the JSON data again to ensure that it passes validation.
  
  
  Consult Documentation: Refer to the relevant SAP documentation for the specific application or service you are using to understand the expected JSON schema and any recent changes.
  
  
  Related Information
  
  JSON Schema: Familiarize yourself with JSON Schema, which is a powerful tool for validating the structure of JSON data.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of the software you are using.
  
  By following these steps, you should be able to identify and resolve the cause of the VEVSM_MSG018 error effectively.