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

SAP Error Message - Details

• 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?

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 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 you have filled in all required fields, particularly the reference key or document number. Look for any asterisks (*) indicating mandatory fields.
  Enter Valid Data: Make sure that the document number or reference key you are entering is valid and exists in the system. You can use search functions to find the correct document number if needed.
  Review Transaction Documentation: Consult the documentation or help resources for the specific transaction you are using to understand what inputs are required.
  Consult with IT Support: If you believe you are entering the correct information and still receive the error, it may be beneficial to consult with your IT support team or SAP administrator. They can check for any configuration issues or system errors that may be causing the problem.
  Check User Authorizations: Ensure that you have the necessary authorizations to access the document or reference key you are trying to use.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to financial postings, document management, or reporting.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  User Training: If this error is common among users, consider providing additional training on the specific transaction or process to ensure that users understand the required inputs.
  
  By following these steps, you should be able to resolve the F5A321 error and proceed with your transaction in SAP.