How To Fix /ISDFPS/FORCER105 - An element has already been selected; changes are not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/FORCER -

• Message number: 105

• Message text: An element has already been selected; changes are not possible

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 /ISDFPS/FORCER105 - An element has already been selected; changes are not possible ?

  The SAP error message /ISDFPS/FORCER105 An element has already been selected; changes are not possible typically occurs in the context of the SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) modules. This error indicates that an attempt is being made to modify an element (such as a product, location, or other master data) that has already been selected or locked for processing in a planning scenario.
  
  Cause:
  
  Element Already Selected: The element you are trying to modify has already been selected in another context or transaction, which prevents changes to it.
  Locking Mechanism: SAP uses a locking mechanism to ensure data integrity. If an element is locked by another user or process, you will not be able to make changes.
  Planning Scenario: The error may arise when working within a specific planning scenario where certain elements are restricted from being modified once they are selected.
  
  
  Solution:
  
  Check Selection: Verify if the element