How To Fix UPF203 - Formula error; &1 characteristic can only be used once

UPF203 - Overview

• Message type: E = Error

• Message class: UPF - Planning Functions

• Message number: 203

• Message text: Formula error; &1 characteristic can only be used once

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPF203 - Formula error; &1 characteristic can only be used once ?

  The SAP error message UPF203 indicates that there is a formula error related to the use of characteristics in a planning function or a planning model. Specifically, it states that a certain characteristic (denoted by &1) can only be used once in the context of the formula you are trying to execute. This typically occurs in the context of SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO).
  
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Use of Characteristics: The characteristic mentioned in the error message is being referenced multiple times in the same formula or planning function. In SAP, each characteristic should only be used once in a formula to avoid ambiguity in calculations.
  Incorrect Formula Definition: The formula may have been defined incorrectly, leading to the inclusion of the same characteristic multiple times.
  Model 
  Configuration Issues: There may be issues with how the planning model or function is