How To Fix EP306 - Reverse any postings after the key date first

SAP Error Message - Details

• Message type: E = Error

• Message class: EP - Messages for Posting Area

• Message number: 306

• Message text: Reverse any postings after the key date first

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message EP306 - Reverse any postings after the key date first ?

  The SAP error message EP306 ("Reverse any postings after the key date first") typically occurs in the context of financial accounting or controlling when you attempt to perform a transaction that is restricted by a key date. This key date is often set to prevent changes to financial data after a certain point in time, such as the end of a fiscal period.
  Cause:
  The error arises when you try to post a transaction (like a journal entry or a closing entry) that affects periods after the specified key date. The system is designed to maintain the integrity of financial data by preventing changes to closed periods.
  Solution:
  To resolve this error, you need to reverse any postings that were made after the key date. Here are the steps you can follow:
  
  
  Identify Postings After Key Date: 
  
  Use transaction codes like FB03 (Display Document) or FBL1N (Vendor Line Item Display) to review postings made after the key date.
  Check the document dates and ensure they fall after the key date specified in the error message.
  
  
  
  Reverse Postings:
  
  For each posting identified, you will need to reverse them. You can do this using transaction code FB08 (Reverse Document).
  Enter the document number and fiscal year of the posting you want to reverse, and follow the prompts to complete the reversal.
  
  
  
  Re-attempt the Original Transaction:
  
  Once all relevant postings have been reversed, you can attempt to perform the original transaction again.
  
  
  
  Adjust Key Date (if applicable):
  
  If it is necessary to allow postings after the key date for specific reasons, you may need to adjust the key date in the configuration settings. However, this should be done with caution and typically requires authorization from management or the finance department.
  
  
  
  Related Information:
  
  Key Date Configuration: The key date is often set in the financial closing settings. You can check the configuration in the SAP system under the relevant financial module (FI/CO).
  Audit Trail: Keep in mind that reversing postings can affect the audit trail and financial reporting. Ensure that all reversals are documented and justified.
  User Authorization: Ensure that you have the necessary permissions to reverse postings and make changes to financial data.
  
  If you continue to experience issues or if the situation is complex, it may be beneficial to consult with your SAP support team or a financial consultant who specializes in SAP systems.