How To Fix AJ090 - Specify a valid simulation period

AJ090 - Overview

• 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.

AJ090 - Details

• 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