How To Fix WS_TOOL059 - Choose at least one function module

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 059

• Message text: Choose at least one function module

Self-Explanatory Message

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• What is the cause and solution for SAP error message WS_TOOL059 - Choose at least one function module ?

  SAP Error Message:
  
  WS_TOOL059 - Choose at least one function module
  
  Cause:
  This error occurs when you are working with the Function Module (FM) selection screen in the Workflow Builder or related tools, and you attempt to proceed without selecting any function module from the list. The system expects you to select at least one function module to continue, but none was chosen.
  
  When does it occur?
  
  While defining or modifying workflow steps that involve function modules.
  When assigning or selecting function modules in workflow tasks or container elements.
  During the configuration or testing of workflow-related function modules.
  
  
  Solution:
  
  Select at least one function module from the list before proceeding.
  If no function module is available or visible, check the following:
  
  Ensure that the function modules you want to use are properly created and released.
  Verify that the function modules are relevant and assigned to the workflow step or container.
  Refresh or reload the list if it appears empty due to a system or UI glitch.
  
  
  If you are unsure which function module to select, consult the workflow documentation or your workflow administrator.
  
  
  Additional Information:
  
  This message is a warning/error prompt to prevent workflow steps from being incomplete or invalid.
  Function modules in workflows are often used to perform specific tasks or data manipulations.
  Proper selection of function modules ensures that the workflow executes the intended logic.
  If you frequently encounter this message unexpectedly, check for:
  
  Authorization issues preventing you from seeing function modules.
  Transport or system inconsistencies.
  Workflow or function module activation status.
  
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  WS_TOOL059 - Choose at least one function module
  
  
  Cause
  No function module selected when required
  
  
  Solution
  Select at least one function module before proceeding
  
  
  Context
  Workflow Builder, workflow step configuration
  
  
  Related Notes
  Check function module availability, authorization, and workflow setup
  
  
  
  
  If you need further help, you can check SAP Notes or the SAP Community for similar issues related to workflow function module selection.