How To Fix ISLM_API119 - Error occurred during JSON deserialisation

SAP Error Message - Details

• Message type: E = Error

• Message class: ISLM_API - API Messages

• Message number: 119

• Message text: Error occurred during JSON deserialisation

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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Smart SAP Assistant

• What is the cause and solution for SAP error message ISLM_API119 - Error occurred during JSON deserialisation ?

  The SAP error message ISLM_API119: Error occurred during JSON deserialization typically indicates that there is an issue with the JSON data being processed by the SAP system. This error can occur in various contexts, such as when integrating with APIs or when handling data in JSON format.
  Causes:
  
  Malformed JSON: The JSON data being sent to the SAP system may not be properly formatted. This could include missing brackets, incorrect data types, or syntax errors.
  Data Type Mismatch: The JSON structure may not match the expected data types defined in the SAP system. For example, if a field is expected to be an integer but is sent as a string, this can cause deserialization issues.
  Unexpected Fields: The JSON may contain fields that are not recognized or expected by the SAP system, leading to deserialization failures.
  Encoding Issues: There may be character encoding issues, especially if the JSON contains special characters that are not properly encoded.
  Version Mismatch: If there are changes in the API or the data structure that are not reflected in the JSON being sent, this can lead to errors.
  
  Solutions:
  
  Validate JSON Format: Use a JSON validator tool to check the structure of the JSON data. Ensure that it is well-formed and adheres to the expected schema.
  Check Data Types: Review the expected data types for each field in the SAP system and ensure that the JSON data matches these expectations.
  Remove Unexpected Fields: If the JSON contains fields that are not required or recognized by the SAP system, consider removing them.
  Encoding Check: Ensure that the JSON data is properly encoded, especially if it includes special characters. UTF-8 is commonly used for JSON data.
  Review API Documentation: Check the API documentation for any changes or updates that may affect the structure of the JSON data being sent.
  Debugging: If possible, enable debugging or logging in the SAP system to get more detailed error messages that can help identify the specific issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to JSON deserialization errors. SAP frequently updates its knowledge base with solutions and workarounds for common errors.
  API Documentation: Review the API documentation for the specific service you are using to ensure that you are sending the correct data format.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed. Other users may have encountered the same error and found solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the ISLM_API119 error in your SAP system.