How To Fix UCS0171 - Execution in remaining periods is only possible for task groups

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 171

• Message text: Execution in remaining periods is only possible for task groups

What causes this issue?

The execution of tasks in the remaining periods is only possible using
<DS:GLOS.87F0059ADF63D511B1250008C784EFB1>task groups</>. You cannot
directly execute a single task in the remaining periods of a
consolidation cycle.
The system supports only blocking, unblocking, and status resetting of
single tasks in the remaining periods of a consolidation cycle.

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?

If applicable, execute the function for a task group.

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 UCS0171 - Execution in remaining periods is only possible for task groups ?

  The SAP error message UCS0171, which states "Execution in remaining periods is only possible for task groups," typically occurs in the context of project management or planning within SAP, particularly when dealing with task execution in a project or a planning scenario.
  Cause:
  This error usually arises when you attempt to execute a task or a set of tasks that are not grouped into a task group. In SAP, certain operations, especially those related to scheduling or executing tasks over multiple periods, require that the tasks be organized into groups. If you try to execute tasks individually or in a manner that does not conform to the expected structure (i.e., not within a task group), the system will throw this error.
  Solution:
  To resolve the UCS0171 error, you can take the following steps:
  
  
  Check Task Grouping: Ensure that the tasks you are trying to execute are part of a defined task group. You may need to create a task group if one does not exist.
  
  
  Create or Modify Task Groups:
  
  Navigate to the relevant project or planning module in SAP.
  Create a new task group or modify existing ones to include the tasks you want to execute.
  Ensure that all necessary tasks are included in the task group.
  
  
  
  Execute Tasks in Groups: Once the tasks are properly grouped, attempt to execute them again. This should resolve the error.
  
  
  Review Documentation: If you are unsure about how to create or manage task groups, refer to the SAP documentation or help resources specific to your version of SAP. This can provide guidance on best practices for task management.
  
  
  Consult with SAP Support: If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting with SAP experts who can provide more tailored assistance based on your specific configuration and usage.
  
  
  Related Information:
  
  SAP Modules: This error is often encountered in modules related to project management (like PS - Project System) or production planning (like PP - Production Planning).
  Task Group Definition: A task group is a collection of tasks that can be executed together, allowing for better management of resources and scheduling.
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional context or fixes.
  
  By ensuring that your tasks are properly organized into task groups, you should be able to avoid the UCS0171 error and execute your tasks as intended.