How To Fix FDT_CORE399 - &1 is not a valid message severity

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 399

• Message text: &1 is not a valid message severity

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 FDT_CORE399 - &1 is not a valid message severity ?

  The SAP error message FDT_CORE399 indicates that there is an issue with the message severity level specified in the context of the SAP Fiori or SAP UI5 application. The error message typically states that the provided message severity is not valid, which means that the system is unable to recognize the severity level you are trying to use.
  Cause:
  
  Invalid Severity Level: The most common cause of this error is that the severity level provided in the code or configuration does not match the expected values. SAP typically recognizes specific severity levels such as "Error", "Warning", "Success", and "Information".
  Typographical Error: There may be a typo in the severity level string that is being passed.
  Configuration Issues: If the severity levels are being configured in a custom application or extension, there may be a misconfiguration.
  
  Solution:
  
  
  Check Severity Levels: Review the code or configuration where the message severity is being set. Ensure that the severity level is one of the recognized values. The valid severity levels are usually:
  
  "Error"
  "Warning"
  "Success"
  "Information"
  
  
  
  Correct Typographical Errors: If there is a typo in the severity level, correct it to match one of the valid options.
  
  
  Review Custom Code: If you are using custom code or extensions, ensure that the implementation adheres to the expected standards for message severity.
  
  
  Debugging: If the issue persists, consider debugging the application to trace where the invalid severity level is being set. This can help identify the root cause.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific version of the application you are using to ensure that you are following the correct guidelines for message handling.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Fiori/UI5 Documentation: Review the official SAP Fiori and UI5 documentation for best practices on message handling and severity levels.
  
  By following these steps, you should be able to resolve the FDT_CORE399 error and ensure that your application handles message severities correctly.