How To Fix BT330 - User-defined check routine has incorrect interface

BT330 - Overview

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 330

• Message text: User-defined check routine has incorrect interface

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BT330 - User-defined check routine has incorrect interface ?

  The SAP error message BT330, which states "User-defined check routine has incorrect interface," typically occurs when there is a mismatch between the expected interface of a user-defined check routine and the actual implementation of that routine. This can happen in various contexts, such as during the execution of a business transaction or when validating data.
  
  Cause:
  
  Incorrect Parameter Definition: The user-defined check routine may not have the correct parameters defined. This could include missing parameters, incorrect data types, or an incorrect number of parameters.
  Changes in Interface: If the interface of the check routine was changed (e.g., parameters were added or removed) but the calling program was not updated accordingly, this error can occur.
  Inconsistent Implementation: The implementation of the check routine may not adhere to the expected interface defined in the system.
  
  
  Solution:
  
  Check the Routine Definition: Review the definition of the user-defined check routine in the ABAP editor (transaction SE80 or SE37). Ensure that