How To Fix KA390 - Special periods are not processed

KA390 - Overview

• Message type: E = Error

• Message class: KA - CO Overhead Costs: Overhead, Accrual Calculation

• Message number: 390

• Message text: Special periods are not processed

What causes this issue?

Period &V1& is a special period in fiscal year variant &V2& for
controlling area &V3&. The final normal period is period &V4&.

System Response

Processing can only be carried out for normal periods.

How to fix this error?

Check your entries.

Error message extract from SAP system. Copyright SAP SE.

KA390 - Details

• The SAP error message KA390 ("Special periods are not processed") typically occurs in the context of controlling (CO) when trying to post or process transactions that involve special periods in the system. Special periods are used in SAP to allow for additional postings beyond the regular fiscal periods, often for year-end closing activities.
  
  Cause:
  
  
  Configuration Issues: The special periods may not be properly configured in the controlling area settings.
  Posting Periods: The posting period may not be open for the special periods in the fiscal year variant.
  Transaction Type: The transaction being processed may not be allowed in special periods.
  User Authorizations: The user may not have the necessary authorizations to post in special periods.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the controlling area and ensure that the special periods are defined correctly.
  Use transaction code OB52 to check the posting period variant and ensure that the special periods are open for posting.
  
  
  
  Open Posting Periods:
  
  Ensure that