How To Fix FP039 - Enter a posting key first of all

SAP Error Message - Details

• Message type: E = Error

• Message class: FP - Invoice Parking

• Message number: 039

• Message text: Enter a posting key first of all

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 FP039 - Enter a posting key first of all ?

  The SAP error message FP039 ("Enter a posting key first of all") typically occurs in the context of financial transactions, particularly when working with the Financial Accounting (FI) module. This error indicates that the system requires a posting key to be entered before proceeding with the transaction.
  
  Cause:
  
  Missing Posting Key: The most common cause of this error is that the user has not entered a posting key in the relevant field. Posting keys are essential in SAP as they determine the type of transaction being processed (e.g., debit or credit).
  Incorrect Screen Sequence: The user may be in a screen or transaction that requires a posting key but has not navigated to the correct field or screen.
  User Input Error: The user may have overlooked the posting key field or entered data in the wrong field.
  
  
  Solution:
  
  Enter a Posting Key: Ensure that you enter a valid posting key in the designated field. Posting keys