How To Fix SMI_GENERAL138 - JSON Parse Error in GET_TOKEN method

SAP Error Message - Details

• Message type: E = Error

• Message class: SMI_GENERAL -

• Message number: 138

• Message text: JSON Parse Error in GET_TOKEN method

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 SMI_GENERAL138 - JSON Parse Error in GET_TOKEN method ?

  The SAP error message SMI_GENERAL138 indicating a "JSON Parse Error in GET_TOKEN method" typically arises when there is an issue with the JSON data being processed in an SAP application, particularly when interacting with APIs or services that expect JSON formatted data.
  Causes:
  
  Malformed JSON: The JSON data being sent or received may not be properly formatted. This could include missing commas, brackets, or quotes.
  Unexpected Data Types: The JSON structure may contain data types that are not expected by the receiving system, such as strings instead of numbers.
  Encoding Issues: There may be character encoding issues, especially if the JSON contains special characters.
  API Changes: If the API has been updated or changed, the expected JSON structure may have changed, leading to parsing errors.
  Network Issues: Sometimes, network issues can lead to incomplete data being sent or received, resulting in parsing errors.
  
  Solutions:
  
  Validate JSON: Use a JSON validator tool to check the structure of the JSON data being sent or received. Ensure that it adheres to the correct format.
  Check API Documentation: Review the API documentation to ensure that the JSON structure matches the expected format. Look for any changes in the API that may have occurred.
  Debugging: Implement logging to capture the exact JSON being sent and received. This can help identify where the parsing is failing.
  Error Handling: Implement error handling in your code to gracefully manage JSON parsing errors and provide meaningful feedback.
  Test with Sample Data: If possible, test the GET_TOKEN method with known good JSON data to isolate whether the issue is with the data being sent or the method itself.
  Check for Updates: Ensure that your SAP system and any related components are up to date, as updates may include fixes for known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the SMI_GENERAL138 error. SAP frequently updates their knowledge base with solutions to common problems.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues.
  API Logs: If you have access to API logs, review them for any additional error messages or context that could help diagnose the issue.
  
  By following these steps, you should be able to identify the root cause of the JSON parse error and implement a solution to resolve it.