How To Fix GU206 - Period must be numeric

GU206 - Overview

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 206

• Message text: Period must be numeric

What causes this issue?

The value entered for the period is not numeric.

System Response

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

How to fix this error?

Enter a numeric value for the period.

Error message extract from SAP system. Copyright SAP SE.

GU206 - Details

• The SAP error message GU206 ("Period must be numeric") typically occurs when a non-numeric value is entered in a field that expects a numeric input, particularly in the context of financial or controlling transactions. This error can arise in various SAP modules, such as FI (Financial Accounting) or CO (Controlling), when dealing with periods, fiscal years, or similar fields.
  
  Cause:
  
  Incorrect Input: The most common cause is that the user has entered a non-numeric character (like letters or special characters) in a field that requires a numeric value.
  Field Configuration: The field may be incorrectly configured in the system, leading to unexpected behavior.
  Data Transfer Issues: If data is being imported or transferred from another system, it may not be formatted correctly, leading to this error.
  User Exit or BAdI: Custom code or enhancements may inadvertently cause this error if they manipulate the input data incorrectly.
  
  
  Solution:
  
  Check Input Values: Ensure that the value entered in the