How To Fix 5D405 - Enter "W" or "E"

5D405 - Overview

• Message type: E = Error

• Message class: 5D - Error Messages for German Infotype Module Pools

• Message number: 405

• Message text: Enter "W" or "E"

What causes this issue?

You have entered a value other than 'W' (west) or 'O' (east).

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter 'W' or 'O'.

Error message extract from SAP system. Copyright SAP SE.

5D405 - Details

• The SAP error message 5D405, which prompts the user to "Enter 'W' or 'E'," typically occurs in the context of certain transactions or processes where the system expects a specific input to determine the type of action to be taken. The letters "W" and "E" usually stand for "Write" and "Edit," respectively, indicating that the system is asking the user to specify whether they want to write new data or edit existing data.
  
  Cause:
  
  Missing Input: The error arises when the user fails to provide the required input (either "W" or "E") in a field that expects this information.
  Incorrect Transaction Flow: The user may be in a transaction that requires a specific mode of operation (write or edit) but has not selected one.
  
  Configuration Issues: There may be issues with the configuration of the transaction or program that leads to this prompt.
  
  
  Solution:
  
  Provide Input: When prompted with the error message, simply enter "W" if