How To Fix CMS_TSK001 - Select a valid line, before you implement this operation

CMS_TSK001 - Overview

• Message type: E = Error

• Message class: CMS_TSK - Message Class for Task

• Message number: 001

• Message text: Select a valid line, before you implement this operation

What causes this issue?

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

System Response

How to fix this error?

In the sub-dialog to maintain tasks, you must select a row to maintain
details of a task.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CMS_TSK001 - Details

• The SAP error message CMS_TSK001 ("Select a valid line, before you implement this operation") typically occurs in the context of the SAP Change Management System (CMS) or when working with task lists, transport requests, or similar functionalities. This error indicates that the user is attempting to perform an operation (like executing, deleting, or modifying) without having selected a valid entry or line in the list.
  Causes:
  
  No Selection Made: The most common cause is that the user has not selected any line or entry in the list before trying to execute an operation.
  Invalid Selection: The selected line may not be valid for the operation being attempted (e.g., trying to delete a line that cannot be deleted).
  User Permissions: The user may not have the necessary permissions to perform the operation on the selected line.
  System Glitches: Occasionally, system glitches or temporary issues may lead to this error.
  
  Solutions:
  
  Select a Valid Line: Ensure that you have