How To Fix MQ521 - Required field for document header is not filled

MQ521 - Overview

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 521

• Message text: Required field for document header is not filled

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MQ521 - Required field for document header is not filled ?

  The SAP error message MQ521, which states "Required field for document header is not filled," typically occurs when you are trying to create or process a document (such as a purchase order, sales order, or invoice) in SAP, and one or more mandatory fields in the document header are missing or not filled out correctly.
  
  Cause:
  The error is triggered when the system detects that a required field in the document header is empty. This can happen due to various reasons, such as:
  
  Missing mandatory fields in the document header (e.g., document type, company code, currency, etc.).
  Incorrect configuration of the document type or header fields in the SAP system.
  User error, where the user did not fill in all the necessary fields before attempting to save or process the document.
  
  
  Solution:
  To resolve the MQ521 error, follow these steps:
  
  
  Identify Missing Fields:
  
  Review the document header to identify which required fields are not filled. You can usually find