How To Fix W3023 - Module &1 does not exist; check the spelling

SAP Error Message - Details

• Message type: E = Error

• Message class: W3 - Messages for WebRFC

• Message number: 023

• Message text: Module &1 does not exist; check the spelling

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message W3023 - Module &1 does not exist; check the spelling ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  W3023 Module &1 does not exist; check the spelling
  
  
  Cause:
  This warning message occurs when the system tries to call or reference a module (usually a PBO or PAI module in a screen flow logic) that does not exist in the current program or screen flow logic. The module name specified in the flow logic is either misspelled or not defined at all.
  In SAP dialog programming (Dynpro), modules are defined in the flow logic of a screen (in the Screen Painter or in the ABAP code). If the flow logic references a module name that is not implemented or incorrectly named, this warning is triggered.
  
  Explanation:
  
  The system expects a module with the name given in the message (replacing &1 with the actual module name).
  The module is typically a FORM routine or a module pool routine that should be called during the screen