How To Fix /SCWM/HUFUNCTIONS156 - IF_CREATE_HU does not match last call

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/HUFUNCTIONS -

• Message number: 156

• Message text: IF_CREATE_HU does not match last call

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/HUFUNCTIONS156 - IF_CREATE_HU does not match last call ?

  The SAP error message /SCWM/HUFUNCTIONS156 IF_CREATE_HU does not match last call typically occurs in the context of handling Handling Units (HUs) in the SAP Extended Warehouse Management (EWM) module. This error indicates that there is a mismatch in the function call sequence related to the creation of handling units.
  Cause:
  
  
  Incorrect Sequence of Function Calls: The error often arises when the function IF_CREATE_HU is called in a manner that does not align with the expected sequence of operations. For example, if the system expects a certain state or data to be present before this function is called, and it is not, this error can occur.
  
  
  Data Inconsistency: There may be inconsistencies in the data being passed to the function, such as missing or incorrect parameters.
  
  
  Session Management Issues: If there are multiple sessions or transactions being processed simultaneously, it can lead to conflicts and mismatches in the expected state of the handling unit.
  
  
  Solution:
  
  
  Check Function Call Sequence: Review the sequence of function calls in your code or process. Ensure that IF_CREATE_HU is being called at the correct point in the workflow and that all prerequisite steps have been completed.
  
  
  Validate Input Data: Ensure that all required data for the handling unit creation is correctly populated and valid. Check for any missing fields or incorrect values.
  
  
  Debugging: If you have access to the development environment, use debugging tools to trace the execution flow and identify where the mismatch occurs. Look for any discrepancies in the data being passed to the function.
  
  
  Review Custom Code: If there is any custom code or enhancements related to handling units, review that code to ensure it adheres to the expected logic and does not interfere with standard processes.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to handling units and the specific function module to understand the expected behavior and any known issues.
  
  
  SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurs and any relevant logs.
  
  
  Related Information:
  
  Handling Units in EWM: Understanding how handling units work in SAP EWM can provide insights into the expected behavior and common pitfalls.
  Function Module Documentation: Review the documentation for the specific function module IF_CREATE_HU to understand its parameters and expected usage.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide guidance on handling similar issues.
  
  By following these steps, you should be able to diagnose and resolve the error message /SCWM/HUFUNCTIONS156 IF_CREATE_HU does not match last call.