How To Fix EA408 - Interface for function & is incorrect


EA408 - Overview

  • Message type: E = Error

  • Message class: EA - IDoc Basis Messages

  • Message number: 408

  • Message text: Interface for function & is incorrect

  • Show details Hide details
  • What causes this issue?

    The interface of the specified function module &v1& is incorrect.
    It does not correspond to the interface which is valid from Release
    3.0.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?

    Adjust the interface for the function module accordingly or enter
    another function module.

    Error message extract from SAP system. Copyright SAP SE.


EA408 - Details

  • The SAP error message EA408 indicates that there is an issue with the interface of a function module. This error typically arises when the function module being called does not match the expected interface, which can be due to various reasons such as changes in the function module, incorrect parameters being passed, or issues with the data types.
    Causes:
    
    Mismatch in Function Module Signature: The function module has been changed (e.g., parameters added, removed, or modified) but the calling program has not been updated accordingly.
    Incorrect Parameter Types: The data types of the parameters being passed do not match the expected types in the function module.
    Missing Parameters: Required parameters are not being passed to the function module.
    Versioning Issues: If the function module is part of a transport request, it may not be in sync with the version in the development or production environment.
    Authorization Issues: Sometimes, authorization issues can lead to unexpected behavior, although

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