How To Fix CN448 - Select only one entry

CN448 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 448

• Message text: Select only one entry

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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CN448 - Details

• The SAP error message CN448 ("Select only one entry") typically occurs in the context of project management or network activities within the SAP system, particularly when working with transactions related to project structures, such as the Project System (PS) module.
  
  Cause:
  This error message is triggered when a user attempts to perform an action that requires a single selection, but multiple entries are selected instead. This can happen in various scenarios, such as:
  
  Trying to execute a function that is designed to work with a single project or activity but multiple projects or activities are highlighted.
  Attempting to display or edit details for a specific project or network when the system detects more than one selection.
  
  
  Solution:
  To resolve the CN448 error, follow these steps:
  
  
  Check Your Selection: Ensure that you have only one entry selected in the list or table. If you have multiple entries highlighted, deselect all but one.
  
  
  Use Filters: If you are working with