How To Fix COM_CATEGORY801 - Parameters required to call function module &1 are missing

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_CATEGORY - Category

• Message number: 801

• Message text: Parameters required to call function module &1 are missing

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 COM_CATEGORY801 - Parameters required to call function module &1 are missing ?

  The SAP error message COM_CATEGORY801 indicates that certain parameters required to call a specific function module are missing. This error typically occurs in the context of SAP's Composite Application Framework or when working with Business Objects and other integration scenarios.
  Cause:
  The error is caused by one or more of the following reasons:
  
  Missing Parameters: The function module being called requires certain input parameters that have not been provided.
  Incorrect Configuration: The configuration of the application or the function module may be incorrect, leading to missing parameters.
  Data Issues: The data being processed may not meet the expected criteria, resulting in missing parameters.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain data or functions, leading to incomplete parameter sets.
  
  Solution:
  To resolve the COM_CATEGORY801 error, you can follow these steps:
  
  
  Check Function Module Documentation: Review the documentation for the function module specified in the error message (indicated by &1). Ensure you understand the required parameters and their expected values.
  
  
  Verify Input Parameters: Ensure that all required parameters are being passed to the function module. This may involve checking the calling program or configuration settings.
  
  
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the code where the function module is called. This will allow you to inspect the values of the parameters being passed and identify any that are missing.
  
  
  Review Configuration: If the function module is part of a configuration (e.g., in a Composite Application), review the configuration settings to ensure that all necessary parameters are correctly set.
  
  
  Check for Data Issues: Ensure that the data being processed is valid and complete. Sometimes, missing or incorrect data can lead to missing parameters.
  
  
  Authorization Check: Verify that the user has the necessary authorizations to execute the function module and access the required data.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  Contact SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Function Module Documentation: You can find detailed information about the function module in the SAP system by using transaction SE37 (Function Builder).
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE80 (Object Navigator) and SE11 (Data Dictionary).
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify and resolve the cause of the COM_CATEGORY801 error in your SAP environment.