How To Fix /SAPAPO/FCST080 - You manually changed data after the forecast run

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/FCST -

• Message number: 080

• Message text: You manually changed data after the forecast run

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/FCST080 - You manually changed data after the forecast run ?

  The SAP error message /SAPAPO/FCST080 indicates that there has been a manual change to the forecast data after a forecast run has been executed. This error typically arises in the context of SAP Advanced Planning and Optimization (APO) when users attempt to perform actions that are not allowed due to the integrity of the forecast data being compromised by manual changes.
  Cause:
  
  Manual Changes: The primary cause of this error is that users have manually altered forecast data (e.g., changing forecast values) after the forecast run has been completed.
  Forecast Locking: The system may have a locking mechanism that prevents further processing of forecast data once it has been generated to ensure data integrity.
  Data Consistency: The system is designed to maintain consistency in the forecast data, and any manual changes can lead to discrepancies.
  
  Solution:
  
  Revert Manual Changes: If possible, revert any manual changes made to the forecast data. This will allow the system to recognize the data as consistent with the forecast run.
  Re-run the Forecast: After reverting the changes, you can re-run the forecast to generate new forecast data that reflects any necessary adjustments.
  Check for Locks: Ensure that there are no locks on the forecast data that might be preventing further processing. You may need to consult with your SAP Basis team if there are issues with locks.
  Use the Correct Transaction: Make sure you are using the appropriate transaction codes for managing forecasts and that you are following the correct procedures for making changes to forecast data.
  Consult Documentation: Review SAP documentation or help resources for specific instructions related to your version of SAP APO, as there may be version-specific considerations.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  User Authorization: Ensure that users have the appropriate authorizations to make changes to forecast data. Sometimes, restrictions may be in place that prevent certain actions.
  Training and Best Practices: Consider providing training for users on best practices for managing forecast data to minimize the occurrence of this error in the future.
  System Configuration: Review the configuration settings in SAP APO related to forecasting and planning to ensure they align with your business processes.
  
  By following these steps, you should be able to resolve the error and maintain the integrity of your forecast data in SAP APO.