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 is in a different namespace and not properly referenced, it may lead to this error.
  
  Solutions:
  
  Check Function Module Interface: Go to transaction SE37 (Function Builder) and check the interface of the function module. Ensure that it is correctly defined and that all parameters are as expected.
  Update Type Declarations: If the function module has changed, update the type declarations in the calling program or class to match the current interface of the function module.
  Re-activate Objects: Sometimes, simply re-activating the program or class that is calling the function module can resolve the issue. Use transaction SE80 or SE38 to do this.
  Check Transport Requests: If the function module was recently transported, ensure that all related objects were included in the transport request. You may need to re-transport the missing objects.
  Use the Correct Namespace: Ensure that you are using the correct namespace when calling the function module. If it is in a different namespace, you may need to prefix it correctly.
  Debugging: If the issue persists, consider debugging the program to see where the error occurs and gather more context about the type information being used.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SE38 (ABAP Editor).
  ABAP Documentation: Review the SAP Help Portal or ABAP documentation for more details on function modules and type definitions.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  
  By following these steps, you should be able to identify and resolve the cause of the OO774 error in your SAP environment.