How To Fix AH279 - Field &1 not filled in billing

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 279

• Message text: Field &1 not filled in billing

What causes this issue?

The field &v1& is blank.

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

System Response

It has been determined in part 1 of module ISU_BILLING_PREPARE_UPDATE
that field &v1& is not filled. Field &v1& must be filled in function
modules ISU_BEGIN_OF_BILLING_PERIOD and ISU_PREVIOUS_BILL_SELECT.

How to fix this error?

&v1& must be determined in billing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH279 - Field &1 not filled in billing ?

  The SAP error message AH279, which states "Field &1 not filled in billing," typically occurs during the billing process when a required field is not populated. This can happen in various contexts, such as during the creation of billing documents, invoices, or credit memos.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Data: A mandatory field that is required for billing is not filled in the relevant master data (e.g., customer master, material master) or in the billing document itself.
  Configuration Issues: The billing document type or the related configuration may require certain fields to be filled, and if they are not, the system will throw this error.
  Custom Enhancements: If there are custom developments or enhancements in the billing process, they may impose additional requirements for fields that need to be filled.
  
  Solution:
  To resolve the AH279 error, you can take the following steps:
  
  
  Identify the Missing Field: Check the error message for the specific field that is indicated as not filled (the placeholder &1 will be replaced with the actual field name).
  
  
  Review Master Data: Ensure that the relevant master data (customer, material, etc.) is complete and that all mandatory fields are filled. You can do this by:
  
  Navigating to the customer or material master data and checking for any missing information.
  Ensuring that the billing-related data is correctly maintained.
  
  
  
  Check Billing Document: If the error occurs during the creation of a billing document, review the document for any missing fields. Make sure that all required fields are populated.
  
  
  Configuration Settings: If the issue persists, check the configuration settings for the billing document type in the SAP Customizing Implementation Guide (SPRO). Ensure that the settings align with your business requirements and that all necessary fields are marked as required.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional guidance.
  
  
  Debugging: If you have access to technical resources, you may want to debug the process to identify where the field is being checked and why it is not being filled.
  
  
  Contact 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.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like VF01 (Create Billing Document), VF02 (Change Billing Document), or VF03 (Display Billing Document) to investigate the billing documents.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  User Exits and BAdIs: If there are custom developments in your system, check for any user exits or BAdIs that might be affecting the billing process.
  
  By following these steps, you should be able to identify and resolve the cause of the AH279 error in your SAP system.