How To Fix KI241 - Period &1 is not valid

KI241 - Overview

• Message type: E = Error

• Message class: KI -

• Message number: 241

• Message text: Period &1 is not valid

What causes this issue?

Posting period &V1& does not agree with the posting period determined
by the system.
From the posting date &V2&, the system determined period &V3& in fiscal
year &V4&.

System Response

Since posting period &V1& is not valid, the posting cannot be carried
out.

How to fix this error?

Either specify a posting period that agrees with posting date &V2& or
make no entry for the period. The system then derives the correct
period from the posting date. If the posting date lies in the last
posting period of the fiscal year, specifying a special period is also
permitted.

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 KI241 - Period &1 is not valid ?

  The SAP error message KI241, which states "Period &1 is not valid," typically occurs in the context of controlling (CO) when you are trying to post or process data in a period that is either closed or not open for posting. This error can arise in various scenarios, such as during the execution of a transaction, posting of costs, or running reports.
  Causes:
  
  Closed Period: The period you are trying to post to has been closed in the system, meaning no further postings can be made.
  Incorrect Period: The period specified in your transaction does not exist in the fiscal year defined in the system.
  Fiscal Year Variant: The fiscal year variant settings may not align with the period you are trying to use.
  Posting Date: The posting date may not correspond to an open period in the controlling area.
  
  Solutions:
  
  
  Check Period Status:
  
  Go to the transaction code OB52 (Maintain Table T001B) to check the status of