How To Fix >3900 - First select a valid cash desk by double-click

>3900 - Overview

• Message type: E = Error

• Message class: >3 - Lock management messages

• Message number: 900

• Message text: First select a valid cash desk by double-click

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 >3900 - First select a valid cash desk by double-click ?

  The SAP error message "3900 First select a valid cash desk by double-click" typically occurs in the context of cash management or point-of-sale (POS) transactions within the SAP system. This error indicates that the user has not selected a valid cash desk (or cash register) before attempting to perform an action that requires one.
  
  Cause:
  
  No Cash Desk Selected: The user has not selected a cash desk, which is necessary for processing transactions related to cash handling.
  Invalid Cash Desk: The cash desk selected may not be valid or may not be configured correctly in the system.
  User Permissions: The user may not have the necessary permissions to access the cash desk.
  System Configuration: There may be issues with the configuration of cash desks in the SAP system.
  
  
  Solution:
  
  
  Select a Cash Desk:
  
  Navigate to the cash desk selection screen.
  Double-click on a valid cash desk to select it. Ensure that the cash desk is active and available for