How To Fix WJ208 - Required parameters missing when calling up module &

SAP Error Message - Details

• Message type: E = Error

• Message class: WJ - Additionals

• Message number: 208

• Message text: Required parameters missing when calling up module &

Self-Explanatory Message

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• What is the cause and solution for SAP error message WJ208 - Required parameters missing when calling up module & ?

  SAP Error Message:
  
  WJ208 - Required parameters missing when calling up module &
  
  Cause:
  This error occurs when a function module or a module pool program is called without passing all the mandatory parameters that it requires. The placeholder & in the message is replaced by the name of the module or function module being called.
  In other words, the program expects certain input parameters to be provided during the call, but some or all of these parameters are missing or not properly initialized.
  
  Typical Scenarios:
  
  Calling a function module or subroutine without supplying all required importing parameters.
  Calling a module pool screen or module without passing necessary parameters.
  Incorrect or incomplete parameter passing in a custom program or standard SAP code.
  Missing or incorrect parameter mapping in a BAPI or RFC call.
  
  
  Solution:
  
  
  Check the Call Statement:
  
  Identify the module or function module mentioned in the error message.
  Review the call statement in the ABAP code where this module is invoked.
  Ensure that all required parameters are passed correctly.
  
  
  
  Review the Module Interface:
  
  Use transaction SE37 (for function modules) or SE80/SE38 (for module pools) to check the interface of the module.
  Verify which parameters are mandatory (importing parameters without default values).
  
  
  
  Debugging:
  
  Set a breakpoint at the call statement or in the module itself.
  Run the program and check the values of parameters being passed.
  Identify which parameters are missing or empty.
  
  
  
  Correct the Parameter Passing:
  
  Modify the calling program to include all required parameters.
  Initialize parameters properly before the call.
  If parameters are optional, check if the module allows them to be omitted.
  
  
  
  Check for Notes or Patches:
  
  Sometimes, this error can be caused by a bug in standard SAP code.
  Search SAP Notes for the error message or the module name for any known issues.
  
  
  
  
  Related Information:
  
  Transaction SE37: To check function module interface.
  Transaction SE80: To check module pool programs and screen modules.
  Debugging: Use the ABAP debugger to trace parameter values.
  SAP Notes: Search for message class WJ and message number 208 for any SAP corrections or explanations.
  Parameter Passing in ABAP: Understanding IMPORTING, EXPORTING, CHANGING parameters in function modules and subroutines.
  
  
  Summary:
  The error WJ208 indicates that a module or function module call is missing required parameters. The fix involves ensuring that all mandatory parameters are correctly passed during the call. Debugging and interface checks are key steps to resolve this issue.