How To Fix TS021 - Position cursor on a valid line

TS021 - Overview

• Message type: E = Error

• Message class: TS - TemSe - temporary sequential object management

• Message number: 021

• Message text: Position cursor on a valid line

What causes this issue?

A function was called with reference to a particular line, but the
cursor is not positioned on a line in the list.

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?

Position the cursor on the desired object and repeat the operation.

Error message extract from SAP system. Copyright SAP SE.

TS021 - Details

• The SAP error message TS021 ("Position cursor on a valid line") typically occurs in the context of SAP GUI when a user attempts to perform an action (like selecting a line in a table or list) without having the cursor positioned on a valid entry. This can happen in various transactions or reports where a selection is required.
  
  Cause:
  
  Invalid Cursor Position: The cursor is not positioned on a valid line or entry in a list or table. This can happen if the user clicks outside of the valid rows or if the list is empty.
  Empty List: The list or table may not contain any entries, leading to no valid lines to select.
  User Interface Issues: Sometimes, the user interface may not refresh properly, leading to confusion about where the cursor is positioned.
  
  
  Solution:
  
  Position the Cursor Correctly: Ensure that the cursor is placed on a valid line in the list or table. Click directly