How To Fix FKCHK306 - Function module &1 called incorrectly

SAP Error Message - Details

• Message type: E = Error

• Message class: FKCHK - Check Repository Messages

• Message number: 306

• Message text: Function module &1 called incorrectly

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKCHK306 - Function module &1 called incorrectly ?

  The SAP error message FKCHK306, which states "Function module &1 called incorrectly," typically indicates that a function module is being called with incorrect parameters or in an inappropriate context. This error can occur in various scenarios, particularly when dealing with financial transactions, such as during invoice processing or when executing certain financial functions.
  Causes:
  
  Incorrect Parameters: The function module is being called with parameters that do not match the expected data types or structures.
  Improper Context: The function module may be called in a context where it is not applicable, such as during an incorrect transaction or process.
  Missing Data: Required data or configuration settings may be missing, leading to the function module being unable to execute properly.
  Custom Code Issues: If there are custom enhancements or modifications in the system, they may be incorrectly implemented, leading to this error.
  Version Compatibility: The function module may not be compatible with the current version of the SAP system or the specific module being used.
  
  Solutions:
  
  Check Parameters: Review the parameters being passed to the function module. Ensure they match the expected types and structures as defined in the function module documentation.
  Review Call Context: Ensure that the function module is being called in the correct context. Check if the transaction or process flow is appropriate for the function being executed.
  Debugging: Use the SAP debugger to trace the execution of the program and identify where the incorrect call is being made. This can help pinpoint the exact issue.
  Check Custom Code: If there are custom enhancements, review the code to ensure it is correctly implemented and does not interfere with standard SAP functionality.
  Consult Documentation: Refer to SAP documentation or notes related to the specific function module to understand its requirements and limitations.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on known issues.
  Testing: If possible, test the function module in a development or test environment to replicate the issue and identify the root cause without affecting production data.
  
  Related Information:
  
  Function Module Documentation: You can access the documentation for the specific function module (indicated by &1 in the error message) using transaction SE37 or SE80.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  SAP Support: If the issue persists and cannot be resolved internally, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the FKCHK306 error in your SAP system.