How To Fix T8401 - Select one entry

T8401 - Overview

• Message type: E = Error

• Message class: T8 - Analysis system evaluations

• Message number: 401

• Message text: Select one entry

What causes this issue?

You have not chosen an entry although you call up a detailed view with
the action chosen.

System Response

The system cannot display a detailed view.

How to fix this error?

Choose an entry and repeat the action.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

T8401 - Details

• The SAP error message T8401 ("Select one entry") typically occurs when a user is trying to perform an action that requires a single selection from a list or table, but multiple entries are selected or no entry is selected at all. This error is common in various SAP transactions where a specific item needs to be chosen for further processing.
  
  Cause:
  
  Multiple Selections: The user has selected more than one item when the system expects only one.
  No Selection: The user has not selected any item when the system requires at least one selection.
  Incorrect Input: The user may have inadvertently clicked or navigated in a way that led to an invalid selection.
  
  
  Solution:
  
  Single Selection: Ensure that you select only one entry from the list or table. If you have multiple items highlighted, click on the desired item to ensure only one is selected.
  Check for Filters: If you are using filters or search criteria, make