How To Fix AJ090 - Specify a valid simulation period

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 090

• Message text: Specify a valid simulation period

What causes this issue?

You have specified &v1& as the start date for the simulation period.
However, this date is not before &v2&, which you have specified as the
end date of the simulation period.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ090 - Specify a valid simulation period ?

  The SAP error message AJ090, which states "Specify a valid simulation period," typically occurs in the context of financial planning or budgeting processes within SAP, particularly when using the SAP Controlling (CO) module or SAP Financial Planning applications.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Invalid Date Range: The simulation period specified does not fall within the valid fiscal year or period defined in the system.
  Closed Periods: The period you are trying to simulate may be closed for posting, meaning that no transactions can be recorded in that period.
  Missing Configuration: The configuration for the planning version or the fiscal year variant may not be set up correctly.
  Incorrect Parameters: The parameters or settings used for the simulation may not be correctly defined, leading to an invalid period being specified.
  
  Solution:
  To resolve the AJ090 error, you can take the following steps:
  
  
  Check the Simulation Period:
  
  Ensure that the period you are trying to simulate is valid and open for posting. You can check this in the fiscal calendar settings.
  
  
  
  Review Configuration:
  
  Verify the configuration settings for the planning version and fiscal year variant. Ensure that the periods are correctly defined and that the fiscal year is active.
  
  
  
  Adjust the Date Range:
  
  If you are specifying a date range, make sure that the start and end dates fall within the valid periods. Adjust the dates if necessary.
  
  
  
  Consult with Your SAP Administrator:
  
  If you are unsure about the configuration or the settings, consult with your SAP administrator or a functional consultant who can provide insights into the specific setup of your SAP environment.
  
  
  
  Check for User Authorizations:
  
  Ensure that you have the necessary authorizations to access the simulation functionality for the specified period.
  
  
  
  Related Information:
  
  Transaction Codes: You may encounter this error while using transaction codes related to planning, such as KP06 (Cost Center Planning) or CST0 (Cost Center Planning - Simulation).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  Documentation: Refer to SAP documentation for detailed information on planning and budgeting processes, including how to set up and manage simulation periods.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.