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

SAP Error Message - Details

• 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 this information in the error message details or by checking the field labels in the document creation screen.
  
  
  
  Fill in Required Fields:
  
  Ensure that all mandatory fields are filled in correctly. Common required fields may include:
  
  Document type
  Company code
  Currency
  Date fields (e.g., posting date, document date)
  Any other fields that are marked as mandatory in your specific configuration.
  
  
  
  
  
  Check Configuration:
  
  If you are unsure which fields are mandatory, consult with your SAP configuration team or refer to the configuration settings for the specific document type you are working with. They can provide insights into which fields are required based on the business process.
  
  
  
  User Training:
  
  Ensure that users are trained on the importance of filling in all required fields when creating or processing documents in SAP.
  
  
  
  Debugging:
  
  If the issue persists and you believe all required fields are filled, consider debugging the process or checking for any custom validations or enhancements that may be affecting the document creation.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance related to the document type you are working with.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the type of document you are working with, you may be using different transaction codes (e.g., ME21N for purchase orders, VA01 for sales orders).
  SAP Notes: Check SAP Notes for any known issues or patches related to the MQ521 error.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the MQ521 error in SAP.