How To Fix FRMLDLG156 - System cannot copy; source formula must be different from target formula

SAP Error Message - Details

• Message type: E = Error

• Message class: FRMLDLG - RMS-FRM: Dialog Messages for Formula

• Message number: 156

• Message text: System cannot copy; source formula must be different from target formula

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 FRMLDLG156 - System cannot copy; source formula must be different from target formula ?

  The SAP error message FRMLDLG156 indicates that there is an issue when trying to copy a formula in the SAP system. Specifically, the error states that the source formula must be different from the target formula. This typically occurs in the context of SAP's formula management, often related to the creation or modification of formulas in the system.
  Cause:
  
  Identical Formulas: The most common cause of this error is that the source formula you are trying to copy is identical to the target formula. SAP does not allow copying a formula to itself.
  Formula Naming: If you are trying to copy a formula to a new formula but have inadvertently used the same name or identifier, this can trigger the error.
  Formula Type: The error may also arise if the source and target formulas are of the same type and have the same parameters.
  
  Solution:
  
  Change the Target Formula Name: Ensure that the target formula has a different name or identifier than the source formula. This is the most straightforward solution.
  Modify the Source Formula: If you need to copy the formula but want to keep the same name, consider making a minor modification to the source formula before copying it.
  Check Formula Parameters: Ensure that the parameters or settings of the source and target formulas are different if applicable.
  Use a Different Copy Method: If you are using a specific method to copy the formula, try using a different approach or transaction code to see if the issue persists.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for formula management to understand the rules and limitations regarding formula copying.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CST1 (for creating formulas) and CST2 (for changing formulas) to navigate the formula management interface effectively.
  User Permissions: Ensure that you have the necessary permissions to create or modify formulas in the SAP system, as permission issues can sometimes lead to unexpected errors.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting the SAP community forums for further assistance.