How To Fix WSTRN201 - Error during call of function / method &1

WSTRN201 - Overview

• Message type: E = Error

• Message class: WSTRN - Message for Prepack Creation and Planning Dialog

• Message number: 201

• Message text: Error during call of function / method &1

What causes this issue?

An internal error has occurred.

System Response

Processing cannot continue.

How to fix this error?

Report the error to SAP.

Procedure for System Administrators

The error occurred during call of function module or method &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WSTRN201 - Error during call of function / method &1 ?

  SAP Error Message:
  WSTRN201 Error during call of function / method &1
  
  Meaning / Cause
  This error message indicates that an error occurred during the call of a function module or method in SAP. The placeholder &1 is replaced by the name of the function module or method that caused the error.
  Common causes include:
  
  The called function module or method does not exist or is not active.
  Authorization issues preventing the execution of the function/method.
  Incorrect parameters passed to the function/method.
  Runtime errors inside the function module or method (e.g., division by zero, database errors).
  Communication or interface problems if the function module is remote (RFC).
  Missing or inconsistent data required by the function/method.
  
  
  Solution / Troubleshooting Steps
  
  
  Check the exact function module or method name
  Identify the function module or method name from the error message (replaces &1).
  
  
  Check the function module/method existence and activation  
  
  Use transaction SE37 (Function Builder) to check if the function module exists and is active.