How To Fix WS_TOOL261 - Functionmodule &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WS_TOOL - Message Class for Web Services and Virtual Endpoints

• Message number: 261

• Message text: Functionmodule &1 does not exist

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 WS_TOOL261 - Functionmodule &1 does not exist ?

  The SAP error message:
  WS_TOOL261 Functionmodule &1 does not exist
  indicates that a specific function module (whose name is substituted for &1) is being called or referenced in the system, but it cannot be found in the SAP system's function module repository.
  
  Cause
  
  The function module name passed to the program or tool does not exist in the system.
  The function module might have been deleted or not yet created.
  There could be a typo or incorrect function module name in the code or configuration.
  The function module might belong to a software component or add-on that is not installed or activated.
  The system might be missing a required support package or patch that contains the function module.
  
  
  Solution
  
  
  Check the Function Module Name:
  
  Verify the exact name of the function module that is causing the error.
  Use transaction SE37 (Function Builder) to check if the function module exists.
  
  
  
  Correct the Name or Create the Function Module:
  
  If the name is incorrect, correct it in the program or configuration.
  If the function module is missing and should exist, create it or restore it from transport requests.
  
  
  
  Check Software Components and Add-ons:
  
  Ensure that the software component or add-on that provides the function module is installed and active.
  If missing, install the required component or apply the necessary support packages.
  
  
  
  Check for Missing Support Packages or Patches:
  
  Sometimes function modules are delivered with support packages.
  Apply the latest support packages or patches relevant to your SAP system.
  
  
  
  Debugging:
  
  If the function module name is dynamically determined, debug the program to see how the name is constructed.
  Fix any logic errors that lead to an incorrect function module name.
  
  
  
  
  Related Information
  
  Transaction SE37: To check or create function modules.
  Transaction SE80: Object Navigator, to browse function modules.
  SAP Notes: Search for SAP Notes related to the function module or the error message.
  Function Module Naming Conventions: Ensure the function module name follows SAP naming conventions.
  Transport Requests: If the function module was recently transported, verify the transport logs and import status.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WS_TOOL261 Functionmodule &1 does not exist
  
  
  Cause
  Function module name is incorrect, missing, deleted, or belongs to an uninstalled add-on
  
  
  Solution
  Verify and correct the function module name; create or restore the function module; install missing components or support packages
  
  
  Tools
  SE37, SE80, SAP Notes, Debugger
  
  
  
  
  If you provide the exact function module name (the &1 substitution), I can help you check if it is standard or custom and guide you further.