How To Fix F5A321 - Enter a reference key or document number

F5A321 - Overview

• Message type: E = Error

• Message class: F5A - Document Editing

• Message number: 321

• Message text: Enter a reference key or document number

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?

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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 F5A321 - Enter a reference key or document number ?

  The SAP error message F5A321, which states "Enter a reference key or document number," typically occurs in the context of financial transactions or document processing within the SAP system. This error indicates that the system requires a reference key or document number to proceed with the operation you are attempting to perform.
  
  Cause:
  
  Missing Input: The most common cause of this error is that the user has not entered a required reference key or document number in the relevant field.
  Incorrect Transaction: The transaction you are trying to execute may require a specific document number or reference key that has not been provided.
  
  Configuration Issues: There may be configuration settings in the SAP system that require certain fields to be filled out, and if they are not, the system will throw this error.
  Data Entry Errors: Sometimes, users may mistakenly skip fields or enter incorrect data formats, leading to this error.
  
  
  Solution:
  
  Check Required Fields: Ensure that