How To Fix FDT_CORE156 - Assigned expression &1 does not have a result

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 156

• Message text: Assigned expression &1 does not have a result

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 FDT_CORE156 - Assigned expression &1 does not have a result ?

  The SAP error message FDT_CORE156 indicates that there is an issue with an assigned expression in a formula or calculation within the SAP system. Specifically, the message states that the assigned expression does not yield a result, which can occur in various contexts, such as in the context of data transformation or calculation rules in SAP applications.
  Cause:
  
  Invalid Expression: The expression assigned may be syntactically correct but semantically invalid, meaning it does not produce a valid output.
  Data Type Mismatch: The expression may be trying to perform operations on incompatible data types, leading to no result being generated.
  Null or Empty Values: If the expression relies on input values that are null or empty, it may not be able to compute a result.
  Logical Errors: There may be logical errors in the expression that prevent it from producing a valid output.
  
  Solution:
  
  Review the Expression: Check the syntax and logic of the expression to ensure it is correctly formulated and logically sound.
  Check Data Types: Ensure that the data types of the variables or fields involved in the expression are compatible and appropriate for the operations being performed.
  Handle Null Values: Implement checks or default values to handle cases where input values may be null or empty.
  Debugging: Use debugging tools or logs to trace the execution of the expression and identify where it fails to produce a result.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific functions or operations being used in the expression.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  Testing: Create test cases to isolate the expression and test it in a controlled environment to identify the root cause of the issue.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the FDT_CORE156 error message in SAP.