How To Fix MCEX308 - &1 is not a TABLES parameter of qRFC function module &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MCEX - Extraction Interface LIS/BW

• Message number: 308

• Message text: &1 is not a TABLES parameter of qRFC function module &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MCEX308 - &1 is not a TABLES parameter of qRFC function module &2 ?

  The SAP error message MCEX308 indicates that there is an issue with the parameters being passed to a qRFC (queued Remote Function Call) function module. Specifically, the error message states that a certain parameter (denoted as &1) is not recognized as a TABLES parameter of the specified function module (denoted as &2).
  Cause:
  
  Incorrect Parameter Name: The parameter name being passed does not match any of the TABLES parameters defined in the function module.
  Function Module Definition: The function module may not have been defined correctly, or the TABLES parameters may have been modified or removed.
  Calling Convention: The way the function module is being called may not adhere to the expected conventions, leading to mismatches in parameter types.
  Version Mismatch: If there are multiple versions of the function module or if the function module has been changed in a recent transport, it may lead to inconsistencies.
  
  Solution:
  
  
  Check Function Module Definition:
  
  Go to transaction SE37 (Function Builder) and enter the function module name (&2).
  Verify the parameters defined in the function module, specifically the TABLES parameters. Ensure that the parameter &1 is indeed defined as a TABLES parameter.
  
  
  
  Correct Parameter Name:
  
  Ensure that the parameter name being passed in the qRFC call matches exactly with the TABLES parameter name in the function module definition. Check for any typos or case sensitivity issues.
  
  
  
  Review Calling Code:
  
  Review the code that is calling the qRFC function module. Ensure that the parameters are being passed correctly and that the calling convention is appropriate.
  
  
  
  Check for Transport Issues:
  
  If the function module was recently transported, ensure that the transport was successful and that there are no inconsistencies in the system.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the qRFC call to see the exact parameters being passed and identify where the mismatch occurs.
  
  
  
  Related Information:
  
  qRFC: Queued Remote Function Call is a mechanism in SAP that allows for asynchronous communication between different SAP systems or between different processes within the same system.
  Function Module: A function module is a reusable piece of code in SAP that can be called from various programs or other function modules.
  TABLES Parameter: In SAP function modules, TABLES parameters are used to pass internal tables to the function module, allowing for bulk data processing.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP Basis or ABAP development team for further assistance.