How To Fix KO340 - Valid to date is in the past - once saved, it cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 340

• Message text: Valid to date is in the past - once saved, it cannot be changed

What causes this issue?

You changed the validity period for the product cost collector. If you
save the change, the product cost collector is locked.

How to fix this error?

Check your input.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO340 - Valid to date is in the past - once saved, it cannot be changed ?

  The SAP error message KO340, which states "Valid to date is in the past - once saved, it cannot be changed," typically occurs in the context of controlling (CO) or project systems (PS) when you are trying to enter or modify a record that has a validity period that has already expired. This can happen in various scenarios, such as when dealing with cost centers, internal orders, or project definitions.
  Cause:
  
  Expired Validity Date: The primary cause of this error is that the "Valid to" date you are trying to set or modify is earlier than the current date. SAP enforces this rule to maintain data integrity and ensure that historical data is not altered.
  System Configuration: The system may be configured to prevent changes to certain records once they have been saved, especially if they are linked to financial transactions or reporting.
  
  Solution:
  
  Check the Dates: Review the "Valid to" date you are trying to enter. Ensure that it is set to a future date relative to the current date.
  Modify the Record: If you need to change the validity period, you may need to create a new record with the correct dates instead of modifying the existing one.
  Consult with Your SAP Administrator: If you believe the date should be valid or if you need to change historical data for a valid reason, consult with your SAP administrator or a functional consultant. They may have the necessary authorizations or can provide guidance on how to proceed.
  Use Transaction Codes: Depending on the context, you may need to use specific transaction codes to manage the records (e.g., KO02 for changing internal orders, KS02 for changing cost centers).
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for detailed information on managing validity periods in the specific module you are working with (e.g., CO, PS).
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the records in question.
  Change Management: Understand your organization's change management policies regarding financial data to avoid similar issues in the future.
  
  If you continue to face issues, consider reaching out to SAP support or your internal IT support team for further assistance.