How To Fix UCS0240 - Task hierarchy is incomplete with respect to period initialization

UCS0240 - Overview

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 240

• Message text: Task hierarchy is incomplete with respect to period initialization

What causes this issue?

The "Adjustment of Deferred Taxes" function requires at least one task
of type <ZK>period initialization</> for each of the following posting
levels:
Adjustment and standardizing entries (adjustment of deferred taxes and
automatic inversion of documents on posting levels 01 and 10)
Other posting levels (adjustment of deferred taxes on posting level 30
and automatic inversion of documents on posting levels 20 and 30)
Two-sided elimination (adjustment of deferred taxes only on posting
level 20, no automatic inversion of documents)
A period initialization task with the setting <LS>All Posting Levels</>
only performs automatic inversion of documents; it does not post
adjustments of deferred taxes.

System Response

The task hierarchy contains errors. It can be saved with a warning, but
the consolidation monitor cannot be started.

How to fix this error?

If you do not intend to use the "Adjustment of Deferred Taxes" function,
deactivate it in the settings of the consolidation area you are using.
Otherwise, you have to add at least one task of type <ZK>period
initialization</> to the task hierarchy for each of the posting levels
mentioned above.

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.

UCS0240 - Details

• The SAP error message UCS0240, which states "Task hierarchy is incomplete with respect to period initialization," typically occurs in the context of SAP's Project System (PS) or Controlling (CO) modules. This error indicates that there is an issue with the task hierarchy in relation to the initialization of periods for planning or budgeting.
  
  Cause:
  
  
  Incomplete Task Hierarchy: The error often arises when the task hierarchy is not fully defined or is missing certain elements that are required for the period initialization process. This could mean that some tasks or sub-tasks are not properly linked or defined.
  
  
  Missing Period Initialization: If the periods for planning or budgeting have not been initialized correctly for all tasks in the hierarchy, this can lead to inconsistencies and trigger the error.
  
  
  
  Configuration Issues: There may be configuration issues in the project or controlling settings that prevent the proper initialization of periods.
  
  
  
  Solution:
  
  
  Check Task Hierarchy: Review the task hierarchy in the