How To Fix PRC_CNV801 - Parameters missing when function module &1 is called

SAP Error Message - Details

• Message type: E = Error

• Message class: PRC_CNV - Messages for Conversion Engine

• Message number: 801

• Message text: Parameters missing when function module &1 is called

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PRC_CNV801 - Parameters missing when function module &1 is called ?

  The SAP error message PRC_CNV801 indicates that there are missing parameters when a specific function module (denoted by &1) is called. This error typically arises during the execution of a program or transaction that relies on a function module that requires certain input parameters to function correctly.
  Cause:
  
  Missing Parameters: The most common cause of this error is that the function module is being called without providing all the required parameters. Each function module has a defined interface that specifies which parameters are mandatory and which are optional.
  Incorrect Configuration: Sometimes, the configuration settings in the system may not be set up correctly, leading to missing parameters.
  Custom Code Issues: If the function module is being called from custom ABAP code, there may be a bug or oversight in the code that fails to pass the necessary parameters.
  Data Migration or Conversion Issues: This error can also occur during data migration or conversion processes if the data being processed does not meet the expected format or completeness.
  
  Solution:
  
  Check Function Module Documentation: Review the documentation for the function module in question to identify the required parameters. You can do this by navigating to the function module in transaction SE37 or SE80.
  Debugging: If you have access to the ABAP code that calls the function module, use the debugger to step through the code and check which parameters are being passed. Ensure that all required parameters are being provided.
  Review Configuration: If the function module is part of a configuration process, review the configuration settings to ensure that all necessary parameters are set up correctly.
  Error Handling: Implement error handling in your code to catch such issues and provide meaningful messages to users or logs for further analysis.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE37 (Function Builder) or SE80 (Object Navigator) to explore the function module and its parameters.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  SAP Support: If the issue persists and you have a valid support contract, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the PRC_CNV801 error and implement a solution to resolve it.