How To Fix UCS0021 - Period cannot be closed

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 021

• Message text: Period cannot be closed

What causes this issue?

The period cannot be closed due to the current task status. A period
can only be closed if all tasks to be executed have been blocked or if
none of the tasks of the consolidation monitor have been run (initial
stage of the monitor).

System Response

Informational

How to fix this error?

Block all of the unblocked tasks. You may have to rerun them without
errors before blocking them.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCS0021 - Period cannot be closed ?

  The SAP error message UCS0021, which states "Period cannot be closed," typically occurs in the context of the Universal Journal (UCS) in SAP S/4HANA or in the context of financial closing processes. This error indicates that there are certain conditions preventing the closure of a financial period.
  Causes of UCS0021
  
  
  Open Transactions: There may be open transactions or postings in the period that need to be addressed before the period can be closed. This includes unposted documents, open invoices, or pending journal entries.
  
  
  Incomplete Processes: Certain financial processes, such as asset accounting or inventory valuation, may not have been completed for the period in question.
  
  
  Configuration Issues: There may be configuration settings in the system that prevent the closure of the period. This could include settings related to the fiscal year variant or period control.
  
  
  User Authorizations: The user attempting to close the period may not have the necessary authorizations to perform the closure.
  
  
  Pending Approvals: There may be pending approvals or workflows that need to be completed before the period can be closed.
  
  
  Solutions to UCS0021
  
  
  Check Open Transactions: Review all transactions for the period. Ensure that all necessary postings have been completed and that there are no unposted documents.
  
  
  Complete Financial Processes: Ensure that all financial processes, such as asset depreciation runs, inventory valuations, and any other necessary closing activities, have been completed.
  
  
  Review Configuration Settings: Check the configuration settings related to the fiscal year and period control. Ensure that they are set correctly for the period you are trying to close.
  
  
  Verify User Authorizations: Ensure that the user has the necessary authorizations to close the period. If not, contact your system administrator to grant the required permissions.
  
  
  Resolve Pending Approvals: Check for any pending approvals or workflows that may be blocking the closure of the period. Complete or resolve these as necessary.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  Related Information
  
  Transaction Codes: You may use transaction codes like OB52 (to maintain the period status) or F.01 (to check financial statements) to help diagnose the issue.
  Documentation: Refer to SAP documentation for financial closing processes in S/4HANA for detailed steps and best practices.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the UCS0021 error and take appropriate action to resolve it.