How To Fix FDT_EXPRESSIONS670 - Mapping-Delta has to refer to added step &1 as source or as target

FDT_EXPRESSIONS670 - Overview

• Message type: E = Error

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

• Message number: 670

• Message text: Mapping-Delta has to refer to added step &1 as source or as target

Self-Explanatory Message

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FDT_EXPRESSIONS670 - Details

• The SAP error message FDT_EXPRESSIONS670 typically occurs in the context of SAP Data Services or SAP Process Integration (PI) when working with mappings in the context of the SAP Data Transformation (FDT) framework. This error indicates that there is an issue with the mapping configuration, specifically related to the use of a step that has been added to the mapping.
  
  Cause:
  The error message suggests that the mapping delta (the changes made to the mapping) is not correctly referencing a newly added step. This can happen if:
  
  A new step was added to the mapping, but the existing expressions or mappings do not reference this new step correctly.
  The mapping logic is incomplete or incorrectly configured, leading to a situation where the new step is not recognized as either a source or a target in the mapping.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Mapping Configuration:
  
  Open the mapping where the error occurred.
  Verify