How To Fix XT091 - Parameter &1 is mandatory for service &4

SAP Error Message - Details

• Message type: E = Error

• Message class: XT - Transport Management System

• Message number: 091

• Message text: Parameter &1 is mandatory for service &4

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 XT091 - Parameter &1 is mandatory for service &4 ?

  The SAP error message XT091 indicates that a mandatory parameter is missing for a specific service. This error typically arises when a required input parameter is not provided during the execution of a service or function module in SAP.
  Cause:
  The error occurs when:
  
  A required parameter (denoted as &1 in the error message) is not supplied when calling a service (denoted as &4).
  The service expects certain mandatory fields to be filled, and if they are not, the system cannot process the request.
  
  Solution:
  To resolve the XT091 error, you can follow these steps:
  
  
  Identify the Missing Parameter: Check the error message for the specific parameter name (represented by &1) that is missing. This will give you a clue about what needs to be provided.
  
  
  Review Service Documentation: Look at the documentation for the service you are trying to use (represented by &4). This documentation should outline the required parameters and their expected values.
  
  
  Check Input Data: Ensure that all mandatory fields are filled in your input data. If you are using a custom program or transaction, verify that the code is correctly passing all required parameters.
  
  
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the relevant code to see what parameters are being passed to the service and identify where the missing parameter is not being set.
  
  
  Consult with Functional Team: If you are unsure about the required parameters or how to provide them, consult with your functional team or SAP support for guidance.
  
  
  Testing: After making the necessary adjustments, test the service again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific service you are using.
  Transaction Codes: Use transaction codes like SE37 (Function Module) or SE80 (Object Navigator) to explore the function modules and services to understand their parameters better.
  SAP Community: Engage with the SAP Community forums for additional insights or similar issues faced by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the XT091 error in SAP.