How To Fix /SAPAPO/TSM391 - Key Figure &1: Invalid property 'History Not Changeable'

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TSM -

• Message number: 391

• Message text: Key Figure &1: Invalid property 'History Not Changeable'

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/TSM391 - Key Figure &1: Invalid property 'History Not Changeable' ?

  The SAP error message /SAPAPO/TSM391 Key Figure &1: Invalid property 'History Not Changeable' typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the configuration of a key figure in the planning area. This error indicates that the key figure in question has been set to a property that does not allow historical data to be changed, but an attempt is being made to modify it.
  Cause:
  
  Key Figure Configuration: The key figure is configured with the property "History Not Changeable," which means that once historical data is recorded, it cannot be altered. This is often used for key figures that represent actual historical data, such as sales or production figures.
  Data Update Attempt: An attempt is being made to update or change historical data for this key figure, which is not allowed due to its configuration.
  
  Solution:
  
  
  Review Key Figure Settings: Check the configuration of the key figure in the planning area. Ensure that the property "History Not Changeable" is set correctly based on your business requirements.
  
  If you need to change historical data, consider creating a new key figure without this property or adjusting the existing key figure's settings if appropriate.
  
  
  
  Data Handling: If you are trying to load or update data, ensure that you are only working with current or future data, not historical data. If historical data needs to be adjusted, you may need to use a different approach, such as creating a new version of the data or using a different key figure.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed guidance on key figure properties and their implications.
  
  
  Testing: After making any changes, test the configuration in a development or test environment before applying it to production to ensure that it behaves as expected.
  
  
  Related Information:
  
  Key Figures in SAP APO: Key figures are essential components in SAP APO that represent quantitative data used in planning processes. They can have various properties that dictate how they behave in terms of data entry, historical changes, and calculations.
  Planning Area Configuration: Understanding how to configure planning areas and key figures is crucial for effective use of SAP APO. This includes knowing which properties to set for each key figure based on the intended use case.
  SAP Notes and Support: If the issue persists or if you need further assistance, consider checking SAP Notes or reaching out to SAP Support for specific guidance related to your system version and configuration.
  
  By following these steps, you should be able to resolve the error and ensure that your key figure configurations align with your planning requirements.