How To Fix KG1026 - The selection made for "Period" or "Week" is not permitted

KG1026 - Overview

• Message type: E = Error

• Message class: KG1 - CO-PA planning

• Message number: 026

• Message text: The selection made for "Period" or "Week" is not permitted

What causes this issue?

You entered an invalid value for "Period" or "Week".

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?

For "Period" and "Week", enter one interval or one single value only.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG1026 - The selection made for "Period" or "Week" is not permitted ?

  The SAP error message KG1026, which states "The selection made for 'Period' or 'Week' is not permitted," typically occurs in the context of the Controlling (CO) module, particularly when dealing with reports or transactions that require a specific time period or week selection.
  
  Cause:
  
  Invalid Period/Week Selection: The period or week you are trying to select may not be valid for the current fiscal year or may not exist in the system.
  Fiscal Year Variant Issues: The fiscal year variant assigned to the company code may not align with the selected period or week.
  Data Availability: There may be no data available for the selected period or week, leading to the error.
  
  Configuration Issues: There could be configuration settings in the controlling area that restrict the selection of certain periods or weeks.
  
  
  Solution:
  
  Check Period/Week Selection: Ensure that the period or week you are trying to select is valid. You can do this by checking the calendar