How To Fix LM_SEMAPHORE020 - Parameter error in FM &1: Input parameter &2 contains wrong value '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: LM_SEMAPHORE - Messages for LM Sempahore Handling

• Message number: 020

• Message text: Parameter error in FM &1: Input parameter &2 contains wrong value '&3'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LM_SEMAPHORE020 - Parameter error in FM &1: Input parameter &2 contains wrong value '&3' ?

  The SAP error message LM_SEMAPHORE020 indicates that there is a parameter error in a function module (FM) where an input parameter is receiving an unexpected or invalid value. This error typically arises in the context of SAP's logistics or inventory management modules, particularly when dealing with semaphore locks or similar synchronization mechanisms.
  Cause:
  The error message is triggered when:
  
  An input parameter passed to a function module does not meet the expected criteria or constraints.
  The value of the parameter is outside the acceptable range or format.
  There may be a mismatch between the expected data type and the actual data type of the input parameter.
  The function module may be called with incorrect or incomplete data from the calling program.
  
  Solution:
  To resolve the LM_SEMAPHORE020 error, you can take the following steps:
  
  
  Check the Function Module Documentation: Review the documentation for the specific function module (&1 in the error message) to understand the expected input parameters and their valid values.
  
  
  Validate Input Parameters: Ensure that the value being passed for the parameter (&2) is valid. Check for:
  
  Correct data type (e.g., integer, string, date).
  Valid range of values (e.g., if it expects a number between 1 and 100, ensure the value falls within that range).
  Proper formatting (e.g., if it expects a date in a specific format).
  
  
  
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the calling program to inspect the values being passed to the function module. This can help identify where the incorrect value is being set.
  
  
  Review Calling Program Logic: Check the logic in the program that calls the function module. Ensure that all necessary data is being correctly initialized and passed.
  
  
  Consult SAP Notes: Search for any relevant SAP Notes or knowledge base articles that may address this specific error message or provide additional context.
  
  
  Testing: After making corrections, test the function module call again to ensure that the error is resolved.
  
  
  Related Information:
  
  Function Module Documentation: You can access the documentation for the function module in the SAP system by using transaction SE37 (Function Module) and entering the name of the function module.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  SAP Support: If the issue persists and you have a support contract, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify and correct the cause of the LM_SEMAPHORE020 error in your SAP environment.