How To Fix UCUM055 - Task hierarchy contains an ambiguous identifier (&1)

UCUM055 - Overview

• Message type: E = Error

• Message class: UCUM - Messages for Monitor

• Message number: 055

• Message text: Task hierarchy contains an ambiguous identifier (&1)

What causes this issue?

The name "&V1&" for a task (or task group) is used in your system more
than once in the task hierarchy. This is invalid.

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?

In the workbench, check the definition of the task hierarchy and change
it. Remove duplicate names of tasks or task groups from the hierarchy.
Each task or task group may be used only once in the task hierarchy.

Error message extract from SAP system. Copyright SAP SE.

UCUM055 - Details

• The SAP error message UCUM055, which states "Task hierarchy contains an ambiguous identifier (&1)," typically occurs in the context of SAP's Unified Change and Transport System (UCT) or when dealing with task hierarchies in project management or transport management.
  
  Cause:
  The error indicates that there is an ambiguity in the task hierarchy, specifically that the identifier (represented by &1) is not unique. This can happen due to several reasons:
  
  Duplicate Identifiers: There may be multiple tasks or elements in the hierarchy that share the same identifier.
  Incorrect Configuration: The configuration of the task hierarchy may not be set up correctly, leading to conflicts.
  Transport Requests: If you are working with transport requests, there may be overlapping or conflicting requests that reference the same task.
  
  
  Solution:
  To resolve the UCUM055 error, you can take the following steps:
  
  
  Identify the Ambiguous Identifier: Check the specific identifier mentioned in the error message. This will help you locate the source of the