How To Fix CK122 - Invalid posting period (please check your entry)

CK122 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 122

• Message text: Invalid posting period (please check your entry)

What causes this issue?

You are attempting to update in a period that is locked against
posting. This error can occur when you attempt to post to a period that
is in the past.

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?

You can allow posting to the prior period in Materials Management.
Choose <LS>Logistics -> Materials management -> Material master ->
Other -> Post to previous period</> and activate this function for your
company code.
If the posting is to be neither in the current period nor in the
previous period, then you cannot change any stock data (such as goods
movements, purchasing postings, invoice entries, or settlement to
materials) because stock data can only be updated in two periods.
Possible entries:
the current period in the material master record
the previous period
the last period of the previous fiscal year

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK122 - Invalid posting period (please check your entry) ?

  The SAP error message CK122 "Invalid posting period (please check your entry)" typically occurs when you are trying to post a transaction in a period that is either closed or not open for posting in the system. This error is common in various SAP modules, especially in Controlling (CO) and Financial Accounting (FI).
  Causes:
  
  Closed Posting Period: The posting period you are trying to use has been closed in the system settings.
  Incorrect Period Entry: The period you entered may be incorrect or not formatted properly.
  Fiscal Year Variant: The fiscal year variant settings may not align with the period you are trying to post to.
  Authorization Issues: The user may not have the necessary authorizations to post in the specified period.
  Configuration Settings: The configuration settings for the controlling area or company code may restrict postings to certain periods.
  
  Solutions:
  
  
  Check Posting Periods:
  
  Go to the transaction code OB52 to check the open and closed posting periods for