How To Fix 12139 - Enter a valid year

SAP Error Message - Details

• Message type: E = Error

• Message class: 12 - Herstelldatum/Mindesthaltbarkeitsdatum/Chargen

• Message number: 139

• Message text: Enter a valid year

What causes this issue?

You have entered a date in a screen field to which a period indicator
is assigned. This period indicator contains the value = 'Year'. The
system therefore only allows you to enter a two-digit or four-digit
year number.
The value you entered is not a valid year.

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 correct year number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 12139 - Enter a valid year ?

  The SAP error message 12139, "Enter a valid year," typically occurs when a user is trying to input a year in a date field that is not recognized as valid by the system. This can happen in various contexts, such as when entering dates in transaction codes, reports, or configuration settings.
  Causes:
  
  Invalid Year Format: The year entered may not conform to the expected format (e.g., entering a two-digit year instead of a four-digit year).
  Out of Range Year: The year entered may be outside the acceptable range defined in the system settings (e.g., years before 1900 or after 2100).
  Incorrect Data Entry: A simple typographical error could lead to an invalid year being entered.
  System Configuration: The system may have specific configurations that limit the range of acceptable years.
  
  Solutions:
  
  Check Year Format: Ensure that the year is entered in the correct format (usually four digits, e.g., 2023).
  Verify Year Range: Make sure the year falls within the acceptable range defined by your SAP system. Typically, this is between 1900 and 2100, but it can vary based on system settings.
  Correct Data Entry: Double-check for any typographical errors in the date field.
  Consult Documentation: Review any relevant SAP documentation or help files for specific date entry requirements related to the transaction or module you are using.
  System Configuration: If you have access, check the system configuration settings related to date handling. If you are unsure, consult with your SAP Basis or system administrator.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Guides: Refer to user manuals or guides specific to the transaction or module you are working with for additional context on date entry.
  Support: If the issue persists, consider reaching out to your internal SAP support team or SAP support for further assistance.
  
  By following these steps, you should be able to resolve the error message 12139 and successfully enter a valid year in your SAP system.