How To Fix AQ306 - Specify a header

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 306

• Message text: Specify a header

What causes this issue?

You defined an additional field, but there is no field header. Field
headers are needed to create standard headers for queries.

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?

Specify a one or two-line header for the additional field.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ306 - Specify a header ?

  The SAP error message AQ306 "Specify a header" typically occurs in the context of creating or processing documents that require a header section, such as sales orders, purchase orders, or other transactional documents. This error indicates that the system expects a header to be defined, but it is missing or not properly specified.
  Cause:
  
  Missing Header Information: The most common cause is that the header data required for the transaction is not filled in. This could be due to user oversight or a system issue where the header data is not being passed correctly.
  Incorrect Configuration: There may be configuration issues in the SAP system that prevent the header from being recognized or processed.
  User Authorization: Sometimes, the user may not have the necessary permissions to create or modify the header information.
  
  Solution:
  
  Check Header Fields: Ensure that all required header fields are filled in correctly. This includes fields like document type, date, customer/vendor information, etc.
  Review Transaction Process: Go through the steps of the transaction to ensure that the header is being created or specified correctly. If you are using a custom transaction or program, check the logic to ensure it includes header creation.
  Authorization Check: Verify that the user has the necessary authorizations to create or modify the document. If not, contact your SAP security administrator to adjust the permissions.
  Debugging: If you are a developer or have access to technical support, you can debug the transaction to see where the header information is being lost or not set.
  Consult Documentation: Refer to SAP documentation or help files related to the specific transaction you are working with to ensure you are following the correct process.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes (e.g., VA01 for sales orders, ME21N for purchase orders) that have their own requirements for header information.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message AQ306. Sometimes, SAP releases updates that address specific bugs or issues.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.