How To Fix WS_TOOL062 - Choose a function module

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 062

• Message text: Choose a function 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 WS_TOOL062 - Choose a function module ?

  SAP Error Message:
  
  WS_TOOL062 Choose a function module
  
  Meaning / Cause
  The error message WS_TOOL062 typically appears in the context of SAP Workflow or when working with function modules in the SAP system. It indicates that the system expects the user to choose or specify a function module, but none has been selected or provided.
  This can happen in scenarios such as:
  
  When configuring or customizing workflows that require a function module to be assigned for a particular step or action.
  When using tools or transactions that prompt for a function module but the input is missing or invalid.
  When a program or process calls for a function module parameter, but it is left empty or incorrectly filled.
  
  
  Common Causes
  
  The user did not select or enter a function module where it was required.
  The function module field was left blank in a dialog or configuration screen.
  The function module name provided is invalid or does not exist.
  A workflow step or tool expects a function module to be assigned but none is assigned.
  Possible authorization issues preventing the user from seeing or selecting function modules.
  
  
  Solution / How to Resolve
  
  
  Select a Function Module:
  
  When prompted by the message, choose a valid function module from the list.
  Use the F4 help (search help) to find and select the appropriate function module.
  
  
  
  Verify Function Module Name:
  
  Ensure the function module name entered is correct and exists in the system.
  Use transaction SE37 to test or check the function module.
  
  
  
  Assign Function Module in Workflow:
  
  If this occurs during workflow configuration, assign the correct function module to the relevant step.
  Check the workflow step container or method assignment.
  
  
  
  Check Authorizations:
  
  Make sure you have the necessary authorizations to view and select function modules.
  If authorization is missing, contact your SAP security team.
  
  
  
  Consult Documentation or SAP Notes:
  
  Review SAP documentation related to the specific tool or workflow step.
  Search for SAP Notes if the issue persists or is related to a known bug.
  
  
  
  
  Additional Information
  
  Transaction SE37: Use this transaction to display, test, or debug function modules.
  Workflow Builder (SWDD): If the error occurs in workflow design, check the step properties.
  Function Module Naming: Function modules usually follow a naming convention starting with Z or Y for custom modules, or standard SAP prefixes like BAPI_, RFC_, etc.
  F4 Help: Press F4 on the function module input field to get a list of available function modules.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error Code
  WS_TOOL062
  
  
  Message
  Choose a function module
  
  
  Cause
  No function module selected or invalid
  
  
  Solution
  Select or enter a valid function module
  
  
  Related Tools
  Workflow Builder (SWDD), SE37
  
  
  
  
  If you provide more context (e.g., transaction or process where this occurs), I can give more tailored advice.