How To Fix KE379 - Maintain either period or period flag

KE379 - Overview

• Message type: E = Error

• Message class: KE -

• Message number: 379

• Message text: Maintain either period or period flag

What causes this issue?

In Customizing for Product Costing, costing type &V2& is
assigned to costing variant &V1&. For this costing type, you can either
enter the period yourself or have the system enter it from the material
master using the period flag. You may, however, choose only one of the
two alternatives.

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 either the period OR the period flag.

Error message extract from SAP system. Copyright SAP SE.

KE379 - Details

• The SAP error message KE379 ("Maintain either period or period flag") typically occurs in the context of controlling (CO) when you are trying to execute a transaction that requires a specific period to be defined, but it is not set correctly in the system.
  
  Cause:
  This error usually arises when:
  
  You are trying to post or execute a transaction in a controlling area where the period is not specified.
  The system requires either a specific period to be defined or a period flag to be set, but neither is provided.
  The configuration settings for the controlling area or the specific transaction may not be correctly maintained.
  
  
  Solution:
  To resolve the KE379 error, you can take the following steps:
  
  
  Check the Period Settings:
  
  Go to the transaction where the error occurred and check if the period is specified correctly.
  Ensure that the period you are trying to use is open for posting in the controlling area.
  
  
  
  Maintain Period or Period Flag:
  
  If you