How To Fix /UI2/CDMFCC153 - Invalid JSON

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 153

• Message text: Invalid JSON

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 /UI2/CDMFCC153 - Invalid JSON ?

  The SAP error message /UI2/CDMFCC153 Invalid JSON typically indicates that there is an issue with the JSON data being processed in the SAP Fiori application. This error can occur in various scenarios, such as when the application is trying to consume a service that returns JSON data, or when the application is sending JSON data to the backend.
  Causes:
  
  Malformed JSON: The JSON data being sent or received is not properly formatted. This could be due to missing brackets, incorrect syntax, or invalid characters.
  Data Type Mismatch: The data types in the JSON do not match the expected types defined in the backend service.
  Encoding Issues: There may be issues with character encoding, especially if special characters are involved.
  Service Response Issues: The backend service might be returning an unexpected response, such as an error message in HTML instead of JSON.
  Network Issues: Intermittent network issues could lead to incomplete or corrupted JSON data being received.
  
  Solutions:
  
  Validate JSON: 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 Service Response: Use tools like Postman or the browser's developer tools to inspect the response from the backend service. Ensure that it returns valid JSON.
  Debugging: If you have access to the application code, add logging to capture the JSON data being sent and received. This can help identify where the issue lies.
  Review Data Types: Ensure that the data types in the JSON match what the backend service expects. For example, if a field is expected to be an integer, ensure that it is not being sent as a string.
  Error Handling: Implement error handling in the application to gracefully manage cases where invalid JSON is encountered.
  Check Network Configuration: Ensure that there are no network issues affecting the communication between the frontend and backend.
  
  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.
  Fiori Application Logs: Review the logs for the Fiori application to gather more context about the error. This can provide insights into what part of the application is failing.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify and resolve the cause of the /UI2/CDMFCC153 Invalid JSON error in your SAP Fiori application.