How To Fix FL164 - Parameter & is not an import parameter

FL164 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 164

• Message text: Parameter & is not an import parameter

Self-Explanatory Message

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FL164 - Details

• The SAP error message FL164, which states "Parameter & is not an import parameter," typically occurs in the context of function modules or BAPIs (Business Application Programming Interfaces) when there is an issue with the parameters being passed to a function.
  
  Cause:
  
  
  Incorrect Parameter Type: The parameter being passed to the function module is not defined as an import parameter in the function's interface. This can happen if:
  
  The parameter name is misspelled.
  The parameter is not included in the function module's definition.
  The parameter is mistakenly treated as an import parameter when it is actually an export or changing parameter.
  
  
  
  Function Module Changes: If the function module has been modified (e.g., by an upgrade or a custom implementation), the parameters may have changed, leading to this error.
  
  
  Calling Convention: The way the function module is being called may not match the expected calling convention, leading to mismatches in parameter types.
  
  
  
  Solution:
  
  
  Check Function Module Definition: 
  
  Go to transaction