How To Fix CPWB168 - Task list header remains unchanged

SAP Error Message - Details

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 168

• Message text: Task list header remains unchanged

What causes this issue?

You want to change a task list header with the help of a mass change.
However, the data that you have entered is inconsistent,

System Response

The task list header data remains unchanged.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPWB168 - Task list header remains unchanged ?

  The SAP error message CPWB168 ("Task list header remains unchanged") typically occurs in the context of working with task lists in the SAP system, particularly in the areas of production planning and control. This message indicates that an attempt to change a task list header has not resulted in any changes being made to the header data.
  Cause:
  The error can be caused by several factors, including:
  
  
  No Changes Made: The user may have attempted to save the task list header without making any actual changes. If the system detects that the header data is the same as before, it will not allow the save operation.
  
  
  Authorization Issues: The user may not have the necessary authorizations to make changes to the task list header.
  
  
  Data Locking: Another user may have locked the task list for editing, preventing changes from being saved.
  
  
  System Configuration: There may be specific configurations or settings in the system that prevent changes to the task list header under certain conditions.
  
  
  Solution:
  To resolve the CPWB168 error, consider the following steps:
  
  
  Verify Changes: Ensure that you have made actual changes to the task list header before attempting to save. Check all fields to confirm that they have been modified.
  
  
  Check Authorizations: Ensure that you have the necessary permissions to edit the task list header. If not, contact your system administrator to obtain the required authorizations.
  
  
  Check for Locks: Use transaction codes like SM12 to check if the task list is locked by another user. If it is, you may need to wait until the lock is released or contact the user who has locked it.
  
  
  Review System Configuration: Consult with your SAP Basis or configuration team to ensure that there are no settings preventing changes to the task list header.
  
  
  Use Transaction Codes: If you are using a specific transaction code to edit the task list, ensure that you are using the correct one. For example, use transaction code CA01 for creating a task list, CA02 for changing it, and CA03 for displaying it.
  
  
  Check for System Messages: Look for any additional system messages or logs that may provide more context about why the changes are not being accepted.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA01 (Create Task List), CA02 (Change Task List), and CA03 (Display Task List).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation or help files related to task list management for additional insights and best practices.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP's official support channels for further assistance.