How To Fix FDT_EXPRESSIONS629 - Parameter name &1 already exists, choose a different name

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 629

• Message text: Parameter name &1 already exists, choose a different name

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS629 - Parameter name &1 already exists, choose a different name ?

  The SAP error message FDT_EXPRESSIONS629 indicates that there is a naming conflict in the context of expressions or variables within the SAP system. Specifically, it means that the parameter name you are trying to use already exists in the system, and you need to choose a different name to avoid this conflict.
  
  Cause:
  
  Duplicate Parameter Name: The most common cause of this error is that you are trying to create a new parameter or variable with a name that is already in use within the same context (e.g., within the same function, expression, or data object).
  Scope Issues: The parameter name might exist in a broader scope, such as a global context, which is causing the conflict.
  Typographical Error: Sometimes, a simple typographical error can lead to the perception that a name is unique when it is not.
  
  
  Solution:
  
  Rename the Parameter: The simplest solution is to choose a different name for the parameter that does