How To Fix AQ328 - The header must not be blank

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 328

• Message text: The header must not be blank

What causes this issue?

Each field must have a column header. Therefore, you must enter a text
on at least one line.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ328 - The header must not be blank ?

  The SAP error message AQ328, which states "The header must not be blank," typically occurs in the context of document processing, such as when creating or modifying documents in SAP. This error indicates that a required field in the document header is missing or has not been filled out properly.
  Causes:
  
  Missing Required Fields: The header of the document (such as a purchase order, sales order, or invoice) may have mandatory fields that are not filled in.
  Incorrect Configuration: The document type or configuration settings may not be set up correctly, leading to missing header information.
  User Input Error: The user may have inadvertently skipped filling in the header fields or made a mistake while entering data.
  System Issues: There could be a temporary glitch or issue with the SAP system that is causing the header information to not be recognized.
  
  Solutions:
  
  Check Required Fields: Review the document header and ensure that all mandatory fields are filled in. Common required fields include document type, date, and relevant identifiers.
  Review Configuration: If you have access, check the configuration settings for the document type in question to ensure that all necessary fields are defined and set as required.
  Re-enter Data: If the error persists, try clearing the form and re-entering the data to ensure that all fields are filled correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the document type you are working with.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like ME21N (Create Purchase Order), VA01 (Create Sales Order), or others where this error might occur.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Permissions: Ensure that the user has the appropriate roles and permissions to create or modify the document in question.
  
  By following these steps, you should be able to identify the cause of the AQ328 error and implement a solution to resolve it.