How To Fix KH851 - Enter a number

SAP Error Message - Details

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 851

• Message text: Enter a number

What causes this issue?

The system cannot interpret your entry as a number.

System Response

The system rejects your entry.

How to fix this error?

You might have entered the decimal format incorrectly ("," instead of
"." or "." instead of ",").

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KH851 - Enter a number ?

  The SAP error message KH851 ("Enter a number") typically occurs in the context of entering data in a field that expects a numeric input, but the input provided is either non-numeric or empty. This error can arise in various transactions or reports within SAP, particularly in modules related to controlling (CO) or financial accounting (FI).
  Cause:
  
  Non-numeric Input: The user may have entered letters, special characters, or spaces instead of a number.
  Empty Field: The field may be left blank when a numeric value is required.
  Incorrect Field Type: The field may be configured to accept only numeric values, and the input does not meet this requirement.
  Data Type Mismatch: The system expects a specific format (e.g., integer, decimal) that is not being adhered to.
  
  Solution:
  
  Check Input: Ensure that the value entered in the field is a valid number. Remove any non-numeric characters.
  Field Requirements: Review the field requirements to understand the expected format (e.g., integer, decimal).
  Re-enter Data: If the field was left blank, enter a valid numeric value.
  Consult Documentation: If you are unsure about the expected input, refer to the relevant SAP documentation or help resources for guidance on the specific transaction or report.
  Validation Rules: If you are a developer or have access to configuration, check if there are any validation rules or field attributes that need to be adjusted.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes, especially those related to cost center accounting, internal orders, or other financial reporting.
  User Training: Ensure that users are trained on the correct data entry procedures to minimize errors.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are working with.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the KH851 error and successfully enter the required numeric data in SAP.