How To Fix FDT_EXPRESSIONS401 - Processing error; flow processing terminated at error node &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 401

• Message text: Processing error; flow processing terminated at error node &1

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_EXPRESSIONS401 - Processing error; flow processing terminated at error node &1 ?

  The SAP error message FDT_EXPRESSIONS401 indicates that there is a processing error in the flow, and it has been terminated at an error node. This error typically occurs in the context of SAP's Flexible Data Import (FDI) or similar data processing scenarios where expressions or transformations are being evaluated.
  
  Cause:
  
  Invalid Expression: The error may arise from an invalid expression or formula in the data flow. This could be due to syntax errors, unsupported functions, or references to non-existent fields.
  Data Type Mismatch: If the data types of the fields being processed do not match the expected types, it can lead to processing errors.
  Null or Missing Values: If the flow encounters null or missing values where it expects valid data, it may terminate with this error.
  
  Configuration Issues: Incorrect configuration of the data flow or transformation logic can also lead to this error.
  
  
  Solution:
  
  Check Expressions: Review the expressions or formulas used in the data flow.