How To Fix PR135 - The forecast has already been carried out for this period

SAP Error Message - Details

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 135

• Message text: The forecast has already been carried out for this period

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PR135 - The forecast has already been carried out for this period ?

  The SAP error message PR135, which states "The forecast has already been carried out for this period," typically occurs in the context of demand planning or forecasting within the SAP system. This error indicates that a forecast has already been generated for the specified period, and the system does not allow for a new forecast to be created until the existing one is either deleted or adjusted.
  Cause:
  
  Duplicate Forecasting Attempt: The most common cause is that a forecast has already been executed for the same time period, and the system prevents overwriting it to maintain data integrity.
  Incorrect Period Selection: Users may inadvertently select a period for which a forecast has already been processed.
  System Configuration: Certain configurations in the SAP system may restrict the ability to overwrite existing forecasts.
  
  Solution:
  
  Check Existing Forecasts: Review the existing forecasts for the specified period. You can do this by navigating to the relevant forecasting transaction or report in SAP.
  Delete or Adjust Existing Forecast: If you need to create a new forecast, you may need to delete the existing one or adjust it. This can typically be done through the forecasting transaction where you can manage forecasts.
  Use Different Period: If the existing forecast is valid and you do not want to delete it, consider creating a forecast for a different period.
  Consult Documentation: Refer to SAP documentation or help files for specific instructions on how to manage forecasts in your version of SAP.
  Check User Permissions: Ensure that you have the necessary permissions to delete or modify forecasts in the system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/DP for demand planning or /SAPAPO/MC for managing forecasts.
  SAP Notes: Check SAP Notes for any known issues or patches related to forecasting errors.
  Training and Documentation: Consider training sessions or documentation on demand planning processes in SAP to better understand how to manage forecasts effectively.
  Collaboration with Team: If you are part of a larger team, collaborate with colleagues who may have experience with the forecasting module to resolve the issue more efficiently.
  
  By following these steps, you should be able to address the PR135 error and continue with your forecasting activities in SAP.