How To Fix UCS0203 - Task &1 with task category &2 may only be used once

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 203

• Message text: Task &1 with task category &2 may only be used once

What causes this issue?

Task &V1& belongs to task category &V2&. Tasks in this category may
only occur once in a given task sequence.
By contrast, tasks in category <ZK>Validation</> may occur several
times only if you have assigned a different value to each validation
task in the task definition under <ZK>Values</>. Thus, a task hierarchy
may contain only one of the following validation tasks:
A validation task for reported financial data
A validation task for standardized financial data
A validation task for consolidated data

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?

Change the sequence so that only one task of task category &V2&
appears.

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 UCS0203 - Task &1 with task category &2 may only be used once ?

  The SAP error message UCS0203 indicates that a specific task (identified by &1) with a particular task category (identified by &2) is being attempted to be used more than once in a context where it is only allowed to be used once. This typically occurs in scenarios involving task management, workflow processes, or project management within SAP.
  Cause:
  
  Duplicate Task Assignment: The task is being assigned or processed multiple times in a way that violates the system's rules for that task category.
  Configuration Issues: There may be a configuration setting that restricts the use of certain tasks to a single instance.
  Workflow Logic: The workflow or process logic may be incorrectly designed, leading to attempts to reuse a task that should be unique.
  
  Solution:
  
  Check Task Assignment: Review the task assignments to ensure that the task is not being assigned or processed multiple times. Ensure that each task is unique within the context it is being used.
  Review Configuration: Check the configuration settings for the task category in question. Ensure that the settings align with the intended use of the tasks.
  Adjust Workflow Logic: If the error arises from a workflow, review the workflow logic to ensure that tasks are being created and processed correctly. Modify the workflow to prevent duplicate task assignments.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the task category and its constraints.
  Error Handling: Implement error handling in your process to catch and manage this error gracefully, providing users with clear feedback on how to resolve the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in managing tasks and workflows, such as SWDD (Workflow Builder) or PFTC (Task Maintenance).
  User Roles and Authorizations: Ensure that the user roles and authorizations are correctly set up, as sometimes permission issues can lead to unexpected behavior in task assignments.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.