How To Fix UCS0011 - No task hierarchy maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 011

• Message text: No task hierarchy maintained

What causes this issue?

No task hierarchy exists in the system at the present time.
Therefore, it is not possible to start the consolidation monitor or to
execute tasks with the active status management.

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?

Create a task hierarchy in the customizing settings for consolidation (
<ZK>Workbench -> Process View -> Consolidation Monitor -> Task</>).

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 UCS0011 - No task hierarchy maintained ?

  The SAP error message UCS0011, which states "No task hierarchy maintained," typically occurs in the context of SAP's Project System (PS) or related modules where task hierarchies are essential for project management and planning. This error indicates that the system cannot find a defined hierarchy for tasks, which is necessary for processing certain operations.
  Cause:
  
  Missing Task Hierarchy: The primary cause of this error is that the task hierarchy has not been defined or maintained in the system. This can happen if the project structure is incomplete or if the necessary configurations have not been set up.
  Incorrect Configuration: There may be issues with the configuration settings in the project management module, leading to the absence of a defined hierarchy.
  Data Inconsistencies: If there are inconsistencies in the project data or if the project was not set up correctly, it can lead to this error.
  
  Solution:
  
  
  Maintain Task Hierarchy:
  
  Navigate to the relevant transaction in SAP (e.g., CJ20N for Project Builder).
  Ensure that the task hierarchy is properly defined. You may need to create or adjust the hierarchy for the project or task in question.
  Check if the WBS (Work Breakdown Structure) elements are correctly linked and structured.
  
  
  
  Check Project Settings:
  
  Review the project settings to ensure that all necessary configurations are in place.
  Ensure that the project type supports the hierarchy you are trying to implement.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like CJ01 (Create Work Breakdown Structure), CJ02 (Change Work Breakdown Structure), or CJ03 (Display Work Breakdown Structure) to manage and verify the hierarchy.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for guidance on maintaining task hierarchies and understanding the specific requirements for your project type.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the hierarchy and configurations, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Project System (PS): Understanding the Project System module in SAP is crucial, as it deals with project planning, execution, and monitoring.
  Work Breakdown Structure (WBS): Familiarize yourself with WBS concepts, as they are fundamental to project management in SAP.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the UCS0011 error and maintain a proper task hierarchy in your SAP system.