How To Fix WS_TOOL045 - Function module & does not yet exist

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 045

• Message text: Function module & does not yet 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_TOOL045 - Function module & does not yet exist ?

  The SAP error message:
  WS_TOOL045 Function module & does not yet exist
  typically occurs when a function module that is expected to be present in the system is missing or has not been created/generated yet.
  
  Cause
  
  The function module referenced by the program or tool is not yet created or generated in the system.
  This often happens in scenarios where function modules are dynamically generated or created by tools or during certain configuration steps.
  It can also occur if the function module was deleted or transport was incomplete.
  Sometimes, this error appears during the use of Web Services tools or when working with generated function modules for web service proxies or similar objects.
  
  
  Solution
  
  
  Check the Function Module Name:
  
  Identify the exact function module name from the error message (the placeholder & will be replaced by the actual name).
  Go to transaction SE37 and check if the function module exists.
  
  
  
  Generate or Re-generate the Function Module:
  
  If the function module is related to