How To Fix OO774 - The type information does not contain the interface of a function module

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 774

• Message text: The type information does not contain the interface of a function module

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO774 - The type information does not contain the interface of a function module ?

  The SAP error message OO774, which states "The type information does not contain the interface of a function module," typically occurs when there is a mismatch or inconsistency in the type definitions related to a function module. This can happen in various scenarios, such as when a function module is called but its interface is not correctly defined or recognized in the context of the program or class that is trying to use it.
  Causes:
  
  Inconsistent Type Definitions: The function module's interface may have changed (e.g., parameters added or removed) but the calling program or class has not been updated accordingly.
  Missing or Incorrect Type Declaration: The type declaration for the function module may be missing or incorrectly defined in the ABAP program or class.
  Transport Issues: If the function module was transported from one system to another, the transport might not have included all necessary objects or dependencies.
  Namespace Issues: If the function module