How To Fix 1G405 - &1 &2: Posting to prior period current year &3, consec. number &4

SAP Error Message - Details

• Message type: E = Error

• Message class: 1G - BKK: Konditionen

• Message number: 405

• Message text: &1 &2: Posting to prior period current year &3, consec. number &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1G405 - &1 &2: Posting to prior period current year &3, consec. number &4 ?

  The SAP error message 1G405 indicates that there is an attempt to post a transaction to a prior period in the current fiscal year, which is not allowed due to the system's configuration or settings. This error typically arises in the context of financial accounting when users try to post entries to a period that has already been closed.
  Cause:
  
  Closed Period: The most common cause is that the accounting period you are trying to post to has already been closed. In SAP, once a period is closed, no further postings can be made to that period.
  Configuration Settings: The system may be configured to prevent postings to prior periods for various reasons, such as maintaining data integrity or compliance with accounting standards.
  Document Type Restrictions: Certain document types may have restrictions on posting to prior periods.
  
  Solution:
  
  
  Open the Period: If it is necessary to post to the prior period, you can open the period in the configuration settings. This typically requires authorization and should be done with caution, as it can affect financial reporting.
  
  Navigate to Transaction Code OB52 to change the period status.
  Ensure that you have the necessary permissions to make this change.
  
  
  
  Post to the Current Period: If possible, adjust your posting to the current period instead of the prior period. This is often the best practice to maintain accurate financial records.
  
  
  Use a Special Posting: If the posting is necessary for adjustments or corrections, consider using a special posting method, such as a year-end adjustment or a correction entry, which may be allowed even for closed periods.
  
  
  Consult with Finance Team: If you are unsure about the implications of opening a period or making adjustments, consult with your finance or accounting team to ensure compliance with internal policies and external regulations.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB50 (General Ledger Account Document Entry) or F-02 (General Posting) for making postings.
  Authorization: Ensure you have the necessary authorizations to make changes to period settings or to post entries.
  Documentation: Review SAP documentation or consult with your SAP support team for specific guidelines related to your organization's configuration and policies regarding period postings.
  
  Always ensure that any changes made to period settings are documented and communicated to relevant stakeholders to maintain transparency and compliance.