How To Fix CK529 - Posting period &1 in fiscal year &2 is invalid

CK529 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 529

• Message text: Posting period &1 in fiscal year &2 is invalid

What causes this issue?

Posting period &V1& of fiscal year &V2& does not exist in the current
company code &V3&.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Marking cannot be allowed for company code &V3&.

How to fix this error?

Enter a posting period that is valid for current company code &V3&.
Posting periods are defined through the
<DS:GLOS.fiscal_year_variant>fiscal year variants</> assigned to the
company code.

Error message extract from SAP system. Copyright SAP SE.

CK529 - Details

• The SAP error message CK529, which states "Posting period &1 in fiscal year &2 is invalid," typically occurs when you attempt to post a transaction in a period that is either closed or not open for posting in the specified fiscal year. This error is common in various SAP modules, particularly in Controlling (CO) and Financial Accounting (FI).
  
  Cause:
  
  Closed Posting Period: The posting period you are trying to use has been closed for transactions. This often happens at the end of a fiscal year or after a month-end closing.
  Incorrect Configuration: The posting period settings in the configuration may not allow postings for the specified period.
  User Authorization: The user may not have the necessary authorizations to post in that period.
  Fiscal Year Variant: The fiscal year variant assigned to the company code may not align with the posting period you are trying to use.
  
  
  Solution:
  
  
  Check Posting Period Status:
  
  Go to the transaction code OB52 (Change