How To Fix RU428 - Posting period & & is locked (check posting date)

RU428 - Overview

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 428

• Message text: Posting period & & is locked (check posting date)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RU428 - Posting period & & is locked (check posting date) ?

  The SAP error message RU428 indicates that the posting period for a specific posting date is locked. This typically occurs when you attempt to post a transaction in a period that has been closed or locked for posting. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  
  Cause:
  
  Closed Posting Period: The most common reason for this error is that the posting period for the specified date has been closed in the system. This is often done at the end of a financial period (month, quarter, year) to prevent further postings.
  Authorization Issues: Sometimes, users may not have the necessary authorizations to post in certain periods, leading to this error.
  Configuration Settings: The configuration settings in the financial module may restrict postings to certain periods based on company policies.
  
  
  Solution:
  
  
  Check Posting Period Status:
  
  Go to the transaction code OB52 (Change Posting Periods) to check the status of the posting periods. Ensure