How To Fix KH278 - The special period entered as the "Period/year" value is not permitted

KH278 - Overview

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 278

• Message text: The special period entered as the "Period/year" value is not permitted

What causes this issue?

In the selection screen (or in the report definition), you entered a
special period under <LS>Period/year</> for a variable defined in the
form. This entry is not permitted because you have used this variable
in the form to define calculations in certain rows or columns. The
calculation cannot be executed using a special period.

System Response

The program has to terminate processing.

Procedure for System Administrators

When you next execute the report, enter a valid value (not a special
period) in the selection screen. Alternatively, change the report
definition.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KH278 - The special period entered as the "Period/year" value is not permitted ?

  The SAP error message KH278 indicates that the special period entered as the "Period/year" value is not permitted. This error typically occurs in the context of financial postings or reporting when a user attempts to enter a special period that is not configured or allowed in the system.
  
  Cause:
  
  Invalid Special Period: The special period you are trying to use may not be defined in the system configuration.
  Period Status: The special period may be closed or not open for posting.
  Fiscal Year Variant: The fiscal year variant assigned to the company code may not allow the use of the specified special period.
  User Authorization: The user may not have the necessary authorizations to post in the specified special period.
  
  
  Solution:
  
  
  Check Special Period Configuration:
  
  Go to the configuration settings in SAP (Transaction code: OB29) and verify if the special period you are trying to use is defined and allowed for the fiscal year variant assigned to your