How To Fix FDT_EXPRESSIONS187 - Unable to interpret &1 as a number

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 187

• Message text: Unable to interpret &1 as a number

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS187 - Unable to interpret &1 as a number ?

  The SAP error message FDT_EXPRESSIONS187 ("Unable to interpret &1 as a number") typically occurs in the context of SAP's Flexible Data Import (FDI) or when working with expressions in SAP applications. This error indicates that the system is trying to interpret a value as a number, but it is unable to do so due to the format or type of the value provided.
  Causes:
  
  
  Incorrect Data Type: The value being processed is not in a numeric format. This could be due to:
  
  Non-numeric characters (e.g., letters, special characters).
  Leading or trailing spaces in the value.
  The value being in a different format (e.g., currency format, date format).
  
  
  
  Localization Issues: The system may be expecting a number in a specific format (e.g., decimal separator as a dot vs. a comma) based on the user's locale settings.
  
  
  Data Source Issues: If the data is being imported from an external source, the data might not be formatted correctly.
  
  
  Configuration Issues: There may be issues with the configuration of the data processing logic that leads to this error.
  
  
  Solutions:
  
  
  Check Input Values: Review the value that is causing the error. Ensure that it is a valid number without any non-numeric characters or spaces.
  
  
  Data Formatting: If the value is coming from an external source, ensure that it is formatted correctly before being processed. This may involve:
  
  Removing any non-numeric characters.
  Converting the format to match the expected numeric format.
  
  
  
  Adjust Locale Settings: If the issue is related to localization, check the user’s locale settings in SAP and ensure that the number format matches the expected input.
  
  
  Debugging: If you have access to the development environment, you can debug the expression or the data processing logic to identify where the conversion is failing.
  
  
  Consult Documentation: Review the relevant SAP documentation or help resources for any specific requirements regarding number formats in the context you are working in.
  
  
  Error Handling: Implement error handling in your data processing logic to catch such errors and provide meaningful feedback or corrections.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: SAP Community and other forums may have discussions or solutions from other users who have encountered the same issue.
  SAP Support: If the issue persists and is critical, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.