How To Fix EA385 - Incorrect interface of function module

EA385 - Overview

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 385

• Message text: Incorrect interface of function module

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EA385 - Incorrect interface of function module ?

  The SAP error message EA385, which states "Incorrect interface of function module," typically occurs when there is a mismatch between the expected interface of a function module and the actual interface being used in the calling program or another function module. This can happen for several reasons, including changes in the function module's definition, incorrect parameter passing, or versioning issues.
  Causes:
  
  Parameter Mismatch: The calling program is passing parameters that do not match the expected parameters of the function module (e.g., wrong data types, missing parameters).
  Changes in Function Module: The function module may have been modified (e.g., parameters added or removed) after the calling program was developed.
  Versioning Issues: If the function module is part of a transport request that has not been imported into the target system, the calling program may be referencing an outdated version of the function module.
  Namespace Issues: If the function module is in a different namespace and the