How To Fix SRF_AUTHORING542 - Invalid JSON schema. Type &1 is not a valid JSON type.

SAP Error Message - Details

• Message type: E = Error

• Message class: SRF_AUTHORING - Message class for SRF Authoring

• Message number: 542

• Message text: Invalid JSON schema. Type &1 is not a valid JSON type.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRF_AUTHORING542 - Invalid JSON schema. Type &1 is not a valid JSON type. ?

  The SAP error message SRF_AUTHORING542 indicates that there is an issue with the JSON schema being used in your application. Specifically, the error states that the type specified (denoted as &1) is not recognized as a valid JSON type. This can occur in various scenarios, such as when working with SAP Fiori applications, SAP Gateway services, or other SAP technologies that utilize JSON for data interchange.
  Causes
  
  Incorrect JSON Type: The type specified in the JSON schema does not conform to the expected JSON types (e.g., string, number, object, array, boolean, null).
  Schema Definition Issues: The JSON schema itself may be incorrectly defined, leading to invalid type declarations.
  Data Mismatch: The data being sent or received does not match the expected structure defined in the JSON schema.
  Version Compatibility: There may be compatibility issues between the version of the SAP system and the JSON schema being used.
  
  Solutions
  
  Validate JSON Schema: Check the JSON schema for correctness. Ensure that all types are valid and conform to the JSON specification. You can use online JSON schema validators to help with this.
  Correct Type Definitions: Ensure that the type specified in the schema matches one of the valid JSON types. For example, if you have defined a type as integer, it should be changed to number since JSON does not have a specific integer type.
  Review Data Structure: Ensure that the data being sent or received matches the structure defined in the JSON schema. This includes checking for required fields and their types.
  Check for Typos: Look for any typographical errors in the schema that might lead to invalid type definitions.
  Update or Patch SAP System: If the issue is related to version compatibility, check for any available updates or patches for your SAP system that might resolve the issue.
  Consult Documentation: Refer to the official SAP documentation for guidance on JSON schema definitions and best practices.
  
  Related Information
  
  
  JSON Types: The valid JSON types include:
  
  string
  number
  object
  array
  boolean
  null
  
  
  
  SAP Fiori and Gateway: If you are working with SAP Fiori applications or SAP Gateway services, ensure that the OData service definitions are correctly set up and that the metadata is properly defined.
  
  
  Debugging Tools: Use debugging tools available in SAP (like transaction codes such as /IWFND/ERROR_LOG for OData services) to get more insights into the error.
  
  
  Community and Support: If you are unable to resolve the issue, consider reaching out to the SAP Community or SAP Support for assistance.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the SRF_AUTHORING542 error message.