How To Fix K6661 - Error while determining the period assignment in planning.

SAP Error Message - Details

• Message type: E = Error

• Message class: K6 - EC-EIS/EC-BP data basis: Data entry and collection

• Message number: 661

• Message text: Error while determining the period assignment in planning.

What causes this issue?

An error occurred while determining and assigning time periods in
planning.

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?

Check the entry of periods on the initial screen.
A different number of periods between the source and target areas is
permitted only in the forecast. Check the fiscal year variant of the
aspects.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K6661 - Error while determining the period assignment in planning. ?

  The SAP error message K6661, "Error while determining the period assignment in planning," typically occurs in the context of SAP Controlling (CO) when there is an issue with the configuration or data related to period assignments in planning scenarios. This error can arise during various planning activities, such as when executing planning functions or running planning reports.
  Causes of Error K6661
  
  
  Missing or Incorrect Configuration: The period assignment configuration may not be set up correctly in the system. This includes settings related to fiscal year variants, periods, and planning versions.
  
  
  Inconsistent Data: There may be inconsistencies in the master data or planning data that prevent the system from determining the correct period assignment.
  
  
  Invalid Planning Version: The planning version being used may not be valid or may not have been properly defined in the system.
  
  
  Fiscal Year Variant Issues: The fiscal year variant assigned to the controlling area or the company code may not align with the periods defined in the planning settings.
  
  
  Missing Periods: The periods for the planning cycle may not be defined or may be missing in the configuration.
  
  
  Solutions to Error K6661
  
  
  Check Configuration:
  
  Go to the configuration settings for period assignment in the SAP system. Ensure that the fiscal year variant and periods are correctly defined.
  Verify that the planning version is correctly set up and is active.
  
  
  
  Review Master Data:
  
  Check the master data related to the cost centers, internal orders, or other objects involved in the planning process. Ensure that all necessary data is complete and consistent.
  
  
  
  Validate Planning Version:
  
  Ensure that the planning version you are using is valid and has been properly defined in the system. You can check this in the planning version settings.
  
  
  
  Fiscal Year Variant:
  
  Verify that the fiscal year variant assigned to the controlling area or company code is correct and matches the periods defined in the planning settings.
  
  
  
  Define Missing Periods:
  
  If periods are missing, you may need to define them in the planning configuration. This can usually be done in the controlling area settings.
  
  
  
  Check User Authorizations:
  
  Ensure that the user executing the planning function has the necessary authorizations to access the relevant data and perform the planning activities.
  
  
  
  Related Information
  
  
  Transaction Codes: You may need to use transaction codes such as OKKP (for controlling area settings), KP06 (for planning), and KPF6 (for planning version settings) to access the relevant configuration and data.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Refer to SAP documentation or help guides related to planning in Controlling for more detailed information on period assignments and planning configurations.
  
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in SAP Controlling.