How To Fix GU206 - Period must be numeric

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message GU206 - Period must be numeric ?

  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 period field is numeric. For example, if the field expects a month, it should be entered as "01" for January, "02" for February, etc.
  Review Field Configuration: If you have access, check the configuration of the field in the relevant transaction or module to ensure it is set up correctly.
  Data Validation: Implement validation checks in any custom programs or user exits to ensure that only numeric values are accepted in the relevant fields.
  Consult Documentation: Review SAP documentation or help files related to the specific transaction or module where the error occurs for additional guidance.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., FB50 for general ledger postings, KSB1 for cost center reports).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on the correct data entry procedures to minimize the occurrence of this error.
  
  By following these steps, you should be able to identify and resolve the GU206 error in SAP.