How To Fix M3749 - Required parameters missing when calling up module &

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 749

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

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 M3749 - Required parameters missing when calling up module & ?

  The SAP error message M3749 ("Required parameters missing when calling up module &") typically occurs when a function module or a report is called without providing all the necessary parameters that it requires to execute properly. This can happen in various scenarios, such as during the execution of a transaction, a report, or a custom program.
  Cause:
  
  Missing Parameters: The most common cause is that the calling program or transaction does not supply all the required parameters to the function module or report.
  Incorrect Configuration: Sometimes, the configuration settings for the module may not be set up correctly, leading to missing parameters.
  Custom Development Issues: If there are custom developments involved, there might be issues in the code where parameters are not being passed correctly.
  User Input: If the module relies on user input and the user fails to provide necessary information, this error can occur.
  
  Solution:
  
  Check the Documentation: Review the documentation for the function module or report to identify the required parameters. Ensure that all mandatory parameters are being passed.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the function module to see which parameters are being passed and which are missing.
  Review Custom Code: If the error arises from custom code, review the code to ensure that all required parameters are being populated and passed correctly.
  Transaction Variants: If the error occurs in a transaction, check if there are any transaction variants that might be omitting required fields.
  User Input Validation: Implement validation checks to ensure that users provide all necessary inputs before calling the module.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  Related Information:
  
  Function Module Documentation: Look for the specific function module in the SAP system and check its documentation for parameter requirements.
  Transaction Codes: If the error occurs in a specific transaction, note the transaction code and check for any related configuration or user exits that might affect parameter passing.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  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 the cause of the M3749 error and implement a solution to resolve it.